Warren the 13th is the lone bellhop, valet, groundskeeper, and errand boy of his family’s ancient hotel. The strange, shadowy mansion is full of crooked corridors and mysterious riddles—and it just might be home to a magical treasure known as the All-Seeing Eye. But if Warren is going to find the hidden treasure, he’ll need to solve several other mysteries first: What is the strange creature lurking in the hotel boiler room? Who is the ghostly girl creeping around the garden’s hedge maze? ...

Twelve-year-old Warren has learned that his beloved hotel can walk, and now it’s ferrying guests around the countryside, transporting tourists to strange and foreign destinations. But when an unexpected detour brings everyone into the dark and sinister Malwoods, Warren finds himself separated from his hotel and his friends—and racing after them on foot through a forest teeming with witches, snakes, talking trees, and mind-boggling riddles. This fast-paced and beautifully-designed sequel to...

In this final story of Warren’s thrilling adventures, the young manager is adjusting to the demands of running a floating hotel and is planning his thirteenth birthday party. But then disaster strikes! The Warren Hotel is shipwrecked on a strange island, and Sketchy is kidnapped!Warren and his crew of friends set off on a daring rescue mission across the high seas, where they meet a delightful new cast of characters that includes wizened pirates, a sea witch, and a talking clam. As...