A to Z Mysteries Super Edition #9: April Fools' Fiasco
It’s the first of April in Green Lawn! Mr. Paskey, owner of the Book Nook, plays an April Fools’ Day prank on Dink, Josh, and Ruth Rose. They hatch a plan to get back at him, but then the bookstore is robbed—no joke! Can the kids track down the crook? Or will this April Fools’ be an April fail?

A to Z Mysteries Super Edition #10: Colossal Fossil
It's sleepover night at a science museum in Boston. Dink, Josh, and Ruth Rose can't wait to settle their sleeping bags near the museum's colossal fossil—a giant Spinosaurus skeleton—and tour the exhibits long after closing time. But after they fall asleep, they wake to a terrible crash! Is the dinosaur fossil damaged? Or is there another big problem at the science museum?

A to Z Mysteries Super Edition #11: Grand Canyon Grab
Dink, Josh, and Ruth Rose are visiting the Grand Canyon when they spot Parker Stone—a famous TV star. They can't wait to get his autograph, but before they can, Parker is kidnapped! Only a few clues—and his pet parrot—are left behind. It's up to Dink, Josh, and Ruth Rose to find Parker—before it's too late!

A to Z Mysteries Super Edition #12: Space Shuttle Scam
Mystery takes off in 3. . . 2. . . 1! Dink, Josh, and Ruth Rose are in Florida, visiting a space museum, Alice's Space Shuttle. There, they get to check out cool NASA gear! But someone is sneaking around Alice's house, and not because they want a tour. They want Alice's property! Why? Only Dink, Josh, and Ruth Rose can solve this Jupiter-size mystery!