Celebrate 20 years of A to Z Mysteries! No foolin’! ? 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? ? The alphabet may be over， but the mysteries continue in this ninth A to Z Mysteries Super Edition， featuring a 26-letter secret message hidden in the illustrations. ?