Bob & Margaret is a controversial adult book in the Dragon Ball universe. It is the book that Master Roshi used to teach Goku how to read. In Age 790, Majin Buu finds it in Mr. Satan's library, causing him to long for love. From the book he obtains ideas about female mates and ultimately splits into two Buus once again (as he had done with Evil Buu, though this time as the Male Mr. Buu and the Female Miss Buu), creating the first female Majin, Miss Buu. In the same year, Majin Buu and Miss Buu begin to desire a child like other couples have and read "Bob & Margaret" once again to work out how, by tearing pieces Majin body tissue from various parts of their bodies, mixed them together, and birthed life into the dumpling-shaped pieces by firing a Love-Love Beam into it giving birth to their child Baby Buu and other children. Their family quickly grows quickly resulting in the creation of the Majin race on Earth.