Bridge of storms: a Mortal Engines novel

"Tamzin Pook and her motley crew of friends have been hired to save Museion, a traction city full of precious books and art, from the Junkyard Dogs. They're a vicious gang that has surrounded Museion and keeps it trapped in the mountain valley known as the Frying Pan. Only a seasoned fighter like Tamzin can find a way to stop them--or so she hopes. She and her friends might be in for the toughest fight of their lives. But things are not so simple. As they battle for the fate of Museion against the terrible predators that surround them, people on board Museion start to die one by one. There's a traitor within the city. A great storm is coming, attackers wait on all sides, and a deadly threat lurks within... They've got to find an escape from the Frying Pan, but every direction looks like a trap. Tamzin's past will come back to haunt her in another epic city-eat-city adventure by award-winning author Philip Reeve, set in the groundbreaking world of the Mortal Engines quartet"--