"What Do You Care What Other People Think?" is a book by Richard P. Feynman, as told to Ralph Leighton, that is divided into two parts. The first part, "A Curious Character," details formative experiences, including the influence of Feynman's father and his first love, Arlene, and also includes stories about learning and discovery. The second part, "Mr. Feynman Goes to Washington," recounts Feynman's investigation of the Space Shuttle Challenger disaster. The book includes letters, photos, and drawings, and also includes a speech titled "The Value of Science" as an epilogue. The stories are not arranged chronologically, but they do include accounts of Feynman's childhood, his relationship with Arlene, and his experiences with education and learning. The book also includes stories about Feynman's travels and interactions with people in different places, as well as stories about his work as a physicist. The book explores themes of curiosity, learning, personal integrity, and the importance of understanding the world through direct observation and inquiry.