Stanley Yelnats had his holes. Leo has the wacky, amazing Whippet Hotel.The Whippet Hotel is a strange place full of strange and mysterious people. Each floor has its own quirks and secrets. Leo should know most of them - he is the maintenance man's son, after all. But a whole lot more mystery gets thrown his way when a series of cryptic boxes are left for him . . . boxes that lead him to hidden floors, strange puzzles, and unexpected alliances. Leo had better be quick on his feet, because the fate of the building he loves is at stake . . . and so is Leo's own future!

    There’s plenty to explore in her grand home, although she must take care to never be seen. None of the rich folk upstairs know that Serafina exists; she and her pa, the estate’s maintenance man, have secretly lived in the basement for as long as Serafina can remember.But when children at the estate start disappearing, only Serafina knows who the culprit is: a terrifying man in a black cloak who stalks Biltmore’s corridors at night. Following her own harrowing escape, Serafina risks everything by joining forces with Braeden Vanderbilt, the young nephew of the Biltmore’s owners. Braeden and Serafina must uncover the Man in the Black Cloak’s true identity... before all of the children vanish one by one.Serafina’s hunt leads her into the very forest that she has been taught to fear. There she discovers a forgotten legacy of magic, one that is bound to her own identity. In order to save the children of Biltmore, Serafina must seek the answers that will unlock the puzzle of her past.

    As the daughter of the Executioner in the Tower of London, it’s her job to catch the heads in her basket after her father has chopped them off. She dreams of leaving, but they are prisoners with no way out.Then Moss discovers a hidden tunnel that takes her to freedom, where she learns that her life isn’t what she believes it to be and she doesn’t know who to trust.Her search for the truth takes her on a journey along the great River Thames. Could the answers lie deep in its murky depths?