The spirit of Ben's girlfriend Marly returns with three other ghosts to haunt him with a painful journey though Valentine's Days past, present, and future.

"The first book in the thrilling Predator Cities quartet"--Cover. "Emerging from its hiding place in the hills, the great Traction City of London chases one terrified little town across the wastelands. If it cannot overpower smaller, slower prey, the city will come to a standstill and risk being taken over by another. In the attack, Tom Natsworthy, Apprentice Historian to the London Museum, is flung from its speeding superstructure into the barren...

Overview: When her mother dies, fourteen-year-old Emily Pigbush is forced to go live with her uncle Valentine. She is immediately suspicious of her uncle's unusual late-night activities and fears he may be involved with body-snatching, but every time she resolves to confront him, she is thrown off balance by something good he has done. When she stumbles upon the truth, the betrayal is more than she can bear. But when forced to put her emotions aside,...

Wary of romance following her mother's second divorce and resistering her friends' attempts to fix her up with the hottest guy in school, Piper's life gets complicated when she receives a series of Valentines from a secret admirer.

Theo knows the rule, just as every kid from the year fifteen billion and seventy-three does: when using the TimeMaster JumpMan for routine travel, don't touch anything. Usually this is no problem. But Theo's latest TimeJump is anything but routine. First, he finds himself in the twenty-first century and in the bedroom of a girl named Genevieve. And second, his JumpMan won't send him back to where he came from!