A to Z Mysteries Super Edition #7: Operation Orca

Young detectives who love animal adventures and environmental mysteries will be immediately drawn to this Alaskan whale-watching caper. Dink, Josh, and Ruth Rose spring into action when a vulnerable baby orca goes missing, creating a high-stakes puzzle that blends wildlife facts with a classic whodunit structure. The engaging plot not only builds suspense but also gently introduces concepts of marine biology and conservation, showing young readers why the calf's survival depends on its mother's milk. This story provides a compelling, page-turning experience for children ready to tackle early chapter books.

What truly sets this mystery apart is the cleverly hidden 26-letter secret message woven into the illustrations, offering an extra layer of engagement for eagle-eyed readers. This interactive element transforms the book from a simple read into an immersive scavenger hunt, perfect for kids who enjoy puzzles and codes. Budding marine biologists and series fans alike will appreciate the authentic setting and the team's quick-thinking problem-solving. It’s a satisfying adventure that proves learning about ecosystems can be as thrilling as cracking any case.