Scott GrossBooksScooby-Doo! a number comparisons mysteryHigh-Rise HijinksScooby-Doo, where are you?Scooby-Doo!Scooby-Doo! an addition mysteryScooby-Doo in Keepaway CampPicnic PigsLooney Tunes Wordless Graphic Novels Pack a Of 4Scooby-Doo! a subtraction mysterySolve It with Scooby-Doo! : MathAliens of Area 49Author data: Open Library