Bridge of Storms by Philip Reeve REVIEW

Monday, April 27, 2026

Bridge of Storms is the sequel to Thunder City and takes place long before Tom Natsworthy meets Hester Shaw, before London becomes the full metal monster we know from Mortal Engines, and before Municipal Darwinism has completely eaten whatever manners the world still had left.

That is the key to the book. Philip Reeve is not trying to reopen the ending of A Darkling Plain. He is not dragging Tom, Hester, Wren, Shrike or Anna Fang back on stage for one more bow. Thank goodness. Their story had an ending, and a pretty damn good one.

Instead, Bridge of Storms returns to an earlier Traction Era, when cities still eat other cities, but the system has not yet reached the full brutality of the original quartet. There are still rules, deals, civic rituals, old institutions and a thin layer of respectability spread over the hunger. It is civilization on wheels, pretending it is not also a food chain.

Bridge of Storms sends Tamzin Pook and the crew of the Fire’s Astonishment into another beautifully ridiculous piece of Traction Era trouble.

The story follows Tamzin Pook and the crew of the Fire’s Astonishment as they become tangled in the fate of Museion, a university city trapped in a mountain valley known as the Frying Pan. Museion is one of those classic Reeve ideas that sounds ridiculous for three seconds, then begins to make horrible sense. It is a city built around knowledge, books, collections, records and precious things from the past. Its people want to reach London because being absorbed by London may preserve their learning better than being eaten by something worse.

bridge of storms cover review


That is pure Mortal Engines logic: grim, comic, practical and completely mad. A city wants to be eaten so its books might survive.

Naturally, the plan goes wrong. Predator suburbs are circling. Internal politics are not helping. Tamzin’s crew is pulled into danger. The chase begins, and Bridge of Storms quickly becomes what Reeve clearly wanted it to be: a proper city-chase story in the Mortal Engines world.

That is why the book works. It has a clear engine. It knows where it sits in the wider saga. It does not try to out-tragedy A Darkling Plain or recreate the shock of meeting Hester Shaw for the first time. It simply climbs back into the old machine, gives it fuel, and lets the thing roar.

Quick verdict: Bridge of Storms is fast, funny, strange and confident. It may be lighter than the original Mortal Engines Quartet, but it still feels like Philip Reeve’s world: rusty, witty, dangerous and one bad civic decision away from eating itself.

The old Mortal Engines feeling is still there

The best thing about Bridge of Storms is that it feels like it belongs. That sounds easy. It is not.

Returning to a beloved fictional world is dangerous. Do too little and the book feels unnecessary. Do too much and it becomes a guided tour through old references. Mention every familiar piece of lore and the story turns into homework. Avoid the old lore completely and the book feels as if it is wearing someone else’s coat.

Reeve mostly avoids those traps. Bridge of Storms has the right smell of rust, oil, wet wool, old tech, bad politics and poor civic planning. The names feel right. The cities feel ridiculous in the correct way. The danger has that familiar Reeve quality where the absurd surface idea is carrying something sharper underneath.

The book is not simply saying, “Remember Mortal Engines?” It is saying, “Here is another angle on why this world is doomed.” That is better.

Tamzin Pook and the crew

Tamzin Pook is not Hester Shaw. That is not a criticism. No one is Hester Shaw.

Hester remains one of Reeve’s great creations because she was never softened into the usual shape of a young adult heroine. She was damaged, angry, frightening, loyal, selfish, brave and dangerous. She did not become more acceptable as the story went on. In some ways, she became worse. That is what made her so compelling.

So any new lead in this universe has a problem. The reader keeps looking for the scarred girl with the knife. Bridge of Storms is wise enough not to replace her.

Tamzin is a different kind of character. She is tough, capable and still forming herself under pressure. She gives the book a human centre, but the emotional force of Bridge of Storms is not hers alone. This is an ensemble adventure, and the crew around her does much of the lifting.

That is where the book finds its warmth. Oddington Doom, Max Angmering, Hilly Torpenhow and Vespertine all bring different kinds of energy to the story. Some are comic. Some are useful. Some are damaged in ways that are not played too loudly. Reeve has always been good at making side characters feel as if they had a life before the reader met them, and that skill is still here.

Vespertine is the standout. She is a Revenant, armoured, undead, terrifying and built for violence. In a lesser book, that would be the whole joke. Big scary dead thing does big scary dead thing work. Reeve gives her something more useful: tenderness. Her concern for Small Cat gives the book one of its best emotional threads.

That may sound minor, but it gets close to one of Reeve’s oldest tricks. He understands that the supposedly monstrous character can reveal more humanity than the polished citizens around them. Shrike did that. Anna Fang did it in a colder, sadder way after her transformation, a point that made Night Flights such a welcome late addition to the Mortal Engines shelf. Vespertine belongs to that tradition without feeling like a copy.

Also, Small Cat is a good literary decision. No further argument needed.

The chase gives the book its engine

Bridge of Storms is built around pursuit, and the structure suits Reeve.

Some adventure books mistake speed for drama. They throw the reader into noise and hope nobody notices that nothing meaningful is happening. Reeve is better than that. The movement in Bridge of Storms keeps forcing decisions. Characters are separated. Loyalties are tested. Museion’s strange plan becomes more complicated. The wider world presses in.

The chase works because it is not only about reaching a destination. It is about what people are willing to preserve, trade away or destroy along the route.

Museion is a strong idea because it turns the usual Mortal Engines predator-prey model sideways. In the original book, London was empire with engines. It was hunger dressed as civic destiny. Here, London is still dangerous, but Museion’s situation makes the question more uncomfortable. What if being eaten is not the worst outcome? What if survival means surrendering yourself to a larger system and hoping some part of you remains intact?

That is proper Mortal Engines material. A mad surface. A nasty little moral machine underneath.

The pace is both strength and weakness

The book moves quickly, and most of the time that is exactly what it should do.

Reeve’s prose remains clean and direct. He does not bury the reader under fake-steampunk decoration. He gives you the city, the threat, the joke, the bit of broken history and the next bad thing coming over the horizon. The pages turn because the writing is built for motion.

The trade-off is that some emotional beats could use more space. Bridge of Storms is not as devastating as A Darkling Plain. It does not have the first-book shock of Mortal Engines, where every new idea felt like Reeve had kicked open another door in the world. It does not have the bruised family tension of Infernal Devices, where Wren’s story cracked open the mess Tom and Hester had made of love, parenthood and survival.

This is a lighter book. Not thin. Not empty. Just lighter. For younger readers, that may be a virtue. For older readers who came to the series for the emotional damage as much as the city-eating, the book may feel a little brisk in places. A few moments could have landed harder if Reeve had let the silence hang longer.

Still, that is a measured complaint. Bridge of Storms is not trying to crush the reader. It is trying to run, and it runs very well.

The worldbuilding remains Reeve’s great weapon

The real star of Bridge of Storms is still the world itself.

Reeve’s great achievement with Mortal Engines was never simply “moving cities.” That was the hook. The deeper achievement was making those cities feel like the logical end point of bad history, bad politics and bad appetite.

Municipal Darwinism is stupid, but it is a believable kind of stupid. It is the sort of stupid idea people would defend if it made them rich, powerful or temporarily safe. That is why the setting still has bite. The traction cities are not just cool machines. They are class systems, empires, markets and museums on wheels. If you need the nuts and bolts of the idea, the site’s earlier guide to how traction cities work is still useful background before diving into this newer sequence.

Bridge of Storms understands that. Museion sharpens the theme beautifully. A city of knowledge trying to survive by being absorbed is funny, sad and grimly believable. It lets Reeve ask what civilization actually means when everything is moving, consuming and forgetting.

Is civilization the city? The books? The people? The system that protects them? Or just the story the powerful tell while deciding what gets saved and what gets fed into the jaws?

That is the sort of question Reeve can smuggle into a chase scene without making the book feel like a lecture.

How it compares with Thunder City

Bridge of Storms feels more confident than Thunder City.

That is not a knock on Thunder City. First books in a new sequence have to do heavier setup work. Thunder City had to introduce Tamzin, establish the earlier Traction Era, build a crew, and convince readers that Mortal Engines could continue without the emotional gravity of Tom, Hester, Anna Fang and Shrike.

Bridge of Storms gets to move faster because that work has already been done. The crew has shape. The world is running. The relationships carry some history. Reeve can throw the characters into danger without spending half the book handing out introductions.

That makes this sequel feel sharper and more purposeful. It is not just another visit to the universe. It has a clean central engine: get Museion moving, keep it alive, survive the chase, and deal with every awful thing that follows.

Is Bridge of Storms as good as the original quartet?

Not exactly, and that is probably the wrong test.

The original Mortal Engines Quartet became powerful because it kept widening and darkening. Mortal Engines introduced the world. Predator’s Gold expanded the map. Infernal Devices turned the story inward through Wren and the broken family Tom and Hester had built. A Darkling Plain brought the whole thing to a brutal, beautiful end, with MEDUSA, Stalker Fang, ODIN and all the old sins finally coming due.

Bridge of Storms is not playing that game. It is not the grand finale. It is not the origin of Tom and Hester. It is not trying to carry the emotional burden of the whole saga.

It is a chase story set in an earlier, slightly less ruined version of the world. Judged that way, it succeeds.

The better question is not whether it equals A Darkling Plain. The better question is whether it still feels like Philip Reeve’s world. The answer is yes. The engines sound right. The jokes are sharp. The danger has teeth. The machinery of civilization still looks one bad decision away from eating itself.

Should new readers start here?

You could read Bridge of Storms without reading the original quartet, but I would not recommend making it your first stop in the wider Mortal Engines universe.

Start with Mortal Engines if you want the real ignition point. Start with Thunder City if you want this newer sequence in order. Start with Bridge of Storms only if you have found it by accident, liked the cover, and enjoy entering fictional worlds through the side door while everyone else is already shouting about missing cats, undead soldiers and moving cities.

That is not the worst way to live, but it is not the cleanest way to read this series. The site’s guide to the best order to read the Mortal Engines books remains the better route if you are still mapping the whole thing out.

What works best

Bridge of Storms has a strong central idea, and Reeve does not waste it.

Museion is memorable. The city chase gives the book focus. The crew dynamic is warm without becoming soft. Vespertine and Small Cat bring the kind of strange emotional texture this universe needs. The pace is strong. The humour is dry. The lore connections are present without turning the novel into a reference manual.

Most importantly, the book feels written rather than manufactured. That matters. A return to a beloved universe can easily become maintenance work. Polish the old machine, point at familiar parts, invite the fans to clap. Bridge of Storms does better than that. It climbs into the machine and drives it.

What does not hit quite as hard

The main weakness is emotional compression.

The book is so committed to movement that a few character turns and moments of consequence pass quickly. There is danger, but not always lingering dread. There is feeling, but not always the ache that made the best parts of the original quartet stay in the mind for years.

Older readers may notice that most. The novel reads a little younger than the bleakest parts of the earlier books, and that may be entirely deliberate. Bridge of Storms is not trying to be the darkest Mortal Engines book. It is trying to be a fast, strange, lively adventure in the same world.

On that level, the lighter touch is not a failure. It is a choice. Whether it is the choice every longtime fan wants is another matter.

The verdict

Bridge of Storms is a strong sequel to Thunder City and a welcome return to the Mortal Engines universe.

It does not replace the original quartet and does not try to. It lacks the tragic force of A Darkling Plain and the first-contact thrill of Mortal Engines, but it has its own clear purpose: a chase across an earlier Traction Era, built around knowledge, survival, loyalty, old systems and bad civic decisions with engines attached.

That is a very good Philip Reeve setup.

The book is fast, funny, inventive and confident. It gives us Tamzin Pook and her crew in better shape, a university city with a wonderfully grim survival plan, a memorable Revenant, Small Cat, and enough rusty madness to prove the world still has plenty of life in it.

If Thunder City was Reeve proving he could return to Mortal Engines without breaking the old spell, Bridge of Storms is him pushing the throttle forward.

Our verdict?

The old engines still roar.

Rating: 8 out of 10.

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