A to Z Mysteries Super Edition #7: Operation Orca

A to Z Mysteries Super Edition #7
Thar she blows! Dink, Josh, and Ruth Rose are on an Alaskan whale watching adventure. On their first day, they see a mother orca and her calf. But the next day, the baby orca is missing! The calf needs its mother's milk. Can the kids solve this whale of a mystery?The alphabet is over, but the mysteries continue in this seventh A to Z Mysteries Super Edition, featuring a 26-letter secret message hidden in the illustrations.

• A to Z Mysteries Super Edition #10: Colossal Fossil
• A to Z Mysteries Super Edition #6: The Castle Crime
• A to Z Mysteries Super Edition #5: The New Year Dragon Dilemma
• A to Z Mysteries Super Edition #8: Secret Admirer
• A to Z Mysteries Super Edition #9: April Fools' Fiasco
• A to Z Mysteries Super Edition #11: Grand Canyon Grab
• White House White-Out (A to Z Mysteries Super Edition, No. 3)
• A to Z Mysteries Super Edition #4: Sleepy Hollow Sleepover
• Detective Camp (A to Z Mysteries Super Edition, No. 1)
• Mayflower Treasure Hunt (A to Z Mysteries Super Edition, No. 2)