The Stolen Chapters

Owen, Kiel, and Bethany confront secrets, stolen memories, and some very familiar faces in the follow-up to The Story Thieves—which was called a "fast-paced, action-packed tale" by School Library Journal—from the bestselling author of the Half Upon a Time trilogy.
Owen Conners would never jump into a mystery. There are too many hidden clues, twists that make no sense, and an ending you never see coming. Mysteries are just not Owen's thing. So how exactly did he end up in one with his memory erased? And that's far from the only question.
How did Kiel Gnomenfoot, boy magician, lose all of his magic? Where's Bethany, their half-fictional friend? And who's the annoying guy wearing the question mark mask and Sherlock Holmes hat, taunting Owen and Kiel that Bethany is in grave danger?
Bethany is trapped in a hidden room that's slowly filling with water, and she can't escape until her friends find her. But is she imprisoned by more than just...