What does it take to hold down a job in zero gravity? Find out what it's really like to be an Astronaut: Living in Space. This book is part of the DK Readers series, a multi-level learning-to-read program that combines DK's highly visual style with appealing stories at four graduated levels. Stunning photographs and engaging, age-appropriate stories are guaranteed to capture a child's interest while developing reading skills and general knowledge. Paperback measures 6x9". Level 2 reader has 48 pages and is designed for ages 6-8.