Ferus Olin's in full blown double agent mode and that's got him and his friends worried. Friendship and loyalty are certainly tested when it comes down to the question of "who do you serve?" or "How much hurt can one inflict while doing something necessary?"

During the first winter after the Monster Apocalypse, Jack and his buddies prepare for a monstrous Christmas celebration, but a supervillainess steals Jack's prized monster-slaying weapon, his Louisville Slicer, and he vows to get it back.

In 2199 in the Neo State of Korea, eighteen-year-old Jaewon is partnered with supersoldier Tera, but their evolving love is threatened when Jaewon must choose among conflicting loyalties--to the totalitarian government that promises to end all war, the nationalist rebels his father followed, or the crime syndicate staging a coup.

London is a radioactive ruin. But Tom and Wren discover that the old predator city hides an awesome secret that could bring an end to the war. But as they risk their lives in its dark underbelly, time is running out. Alone and far away, Hester faces a fanatical enemy who possesses the weapons and the will to destroy the entire human race.The final book in the Mortal Engines series, Philip Reeve's A Darkling Plain is the winner of the Guardian Children's...

The empire is preparing a secret weapon, and rebel leader Ferus Olin appears to be helping.

"Now firmly on the side of the Coracks, sixteen-year-old Kestra Dallisor plans to use the magic Olden Blade to kill the evil Lord Endrick, but when she fails, Endrick turns her into one of his Ironheart soldiers, without any memory of her rebellion, and bound to obey him, his spy within the Coracks; the rebel Simon is desperate to return her to the Kestra he loves, but he is reluctant to use the magic that might heal (or destroy) her--and neither...