Chris Grabenstein, author of the New York Times bestselling Escape from Mr. Lemoncello's Library and coauthor of the I Funny series with James Patterson, celebrates the power of imagination with this action-packed adventure that shows that sometimes the real story starts after you close the book

What if your favorite characters came to life? Billy's spending the summer in a lakeside cabin that belongs to the mysterious Dr. Libris. But something strange is going on. Besides the security cameras everywhere, there's Dr. Libris's private bookcase. Whenever...