U.S. astronauts Frank Borman and James Lovell read "Roughing It" aloud to pass the time aboard NASA's Gemini VII, a 14-day-long Earth orbital mission in December 1965. Borman recalls reading the book during an on-camera interview in the 1999 PBS-TV (USA) television program "Nova: To the Moon". wiki



Roughing It by Mark Twain - Project Gutenberg