New York: Henry Holt, (2015). SIGNED first edition - The author's first novel, a story for older children - "For twelve-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles)." SIGNED on the title page and dated in April 2015, before publication. Illustrations by Sarah Watts. Author's notes.