This action-packed 4-book boxed set takes YOU on over 160 adventures!Choose Your Own Adventure booksthe 4th bestselling childrens series of all timeare back and as much fun as you remember. Kids and adults agree, these are the books that get 9- to 12-year-olds reading.Explore winding paths through the past and future, search for the lost city of Atlantis in your very own submarine, blast off to the furthest reaches of the galaxy, and travel by hot air balloon across the forbidding dunes of the Sahara in this 4-book set boxed together in a nostalgic 80s-era gift box. Full of the most classic books in the Choose universe, The Retro Box includes:The Cave of Time by Edward PackardJourney Under The Sea by R. A. Montgomery Space and Beyond by R. A. Montgomery By Balloon to the Sahara by D. Terman