2 super groovy Scooby-Doo readers for the price of one! Zoinks, it's a blast from the past! Scooby-Doo readers are back in a super-groovy two-in one book! Scooby-Doo Reader #1: Map in the Mystery Machine When Scooby finds an old map, the mystery begins. Ghosts and buried treasure? Scooby and the gang are on the case! Scooby-Doo Reader #6: The Mixed-Up Museum.