Ask an Astronaut

Ask an Astronaut is Tim's personal guide to life in space, based on his historic Principia mission, and the thousands of questions he has been asked since his return to Earth.

Accessible, in-depth, and written with his characteristic warmth, Tim shares his thoughts on every aspect of his mission. From training to launch, from his historic spacewalk to re-entry, he reveals for readers of all ages the cutting-edge science behind his ground-breaking experiments, and the wonders of day-to-day life on board the International Space Station.