The Missing Dog Is Spotted. Trevor Tower doesn’t worry about being short until he is assigned dog-walking duty with Loyola Louden, the tallest person in his class. But the dogs are a wonderful distraction, and even before Trevor and Loyola vow to solve the mystery of a missed spotted dog, they are becoming good friends.The Spotted Dog Last Seen While tracking clues from a secret code penciled in the margins of mystery novels at the public library, Derek Knowles-Collier discovers a time capsule that may finally put his haunting past to rest. Includes a secret code for readers to decipher!