A new stroller edition from this best-selling series, which has sold over 2 million copies. Perfect for babies and toddlers! Five beautifully illustrated spreads feature an engineer, a space dog, an alien, and an astronaut hiding beneath bright space-themed felt flaps as well as a surprise mirror ending on the final page. Now available in a smaller format with a sturdy, attachable strap, this stroller book is perfect for babies and toddlers on the go.