"Roach brings intrepid curiosity, sauciness, and chutzpah to the often staid practice of popular science writing. With the human body as her endlessly intriguing subject, she not only investigates but also participates in strange goings-on behind laboratory doors. Following her wildly popular Bonk: The Curious Coupling of Science and Sex, Roach explores the organic aspects of the space program, such as the dangerous bane of space motion sickness and the challenges of space hygiene (the early capsules stunk to high heaven). Roach happily goes weightless on a parabolic flight on a McDonnell Douglas C-9 in a NASA zero-gravity research project, and test-drives a pressurized rover on a lunar landscape in the High Arctic. She devotes one chapter to space food and another to zero-gravity elimination, which is a serious matter, even with a term like 'fecal popcorning.' An impish and adventurous writer with a gleefully inquisitive mind and a stand-up comic's timing, Roach celebrates human ingenuity (the odder the better), and calls for us to marshal our resources, unchain our imaginations, and start packing for Mars."—Booklist