"You belong in a zoo!" Christina tells her brother Grant with a grin. But grins soon turn to grimaces as Mimi, Papa, Christina and Grant head for the zoo and find that there's trouble in Paradise! A mystery is afoot, but whose foot is it...well, you'll just have to read the story to see! Learn zoo animal fact and trivia along the way! This mystery incorporates history, geography, culture and cliffhanger chapters that keep kids begging for more! Each mystery includes SAT words, educational facts, fun and humor, Built-In Book Club and activities. Each Carole Marsh Mystery also has an Accelerated Reader quiz, a Lexile Level, and a Fountas & Pinnell guided reading level.