Rated a most impressive, 4.4 out of 5 on Goodreads, this book includes the following five books by Douglas Adams: …the hitchhikers guide to the galaxy …The restaurant at the end of the universe … Life, the universe and everything … So long, and thanks for all the fish … Mostly harmless. This book also includes the bonus story Young Zappos Plays it Safe and an introduction by Neil Gaiman.