Mystery Inc. is going on a road trip, but their vacation takes an unexpected turn—a UFO has landed nearby! When they go to investigate, they find little gray aliens coming out of the ship and the gang can't believe their eyes. Is this really a first encounter, or is an Earthling behind this crash landing? Your choices will help discover the truth in this intergalactic You Choose mystery. Multiple endings, a glossary, and Scooby-Doo jokes make this a fun and educational read.