In the first book of the popular A to Z Mysteries series, three friends—Dink, Josh, and Ruth Rose—are excited to meet their favorite author, Wallis Wallace, at a local book signing. When the famous author doesn't show up, the kids suspect something is wrong and decide to investigate. Using their sharp observation skills and teamwork, they follow clever clues to solve the puzzling disappearance. This fast-paced mystery shows that even young detectives can crack the case!