There's something dangerous on the prowl at the San Diego Zoo in this latest addition to the beloved A to Z Mysteries Super Editions! Can you SPOT the mystery? Dink, Josh, and Ruth Rose are visiting the San Diego Zoo. When a rare amur leopard goes missing, everyone is a suspect! Can these expert clue hunters find out how the leopard got loose?

"A Stepping Stone Book." "Look for a hidden message inside this book!"--Page 4 of cover