This exciting picture book combines an engaging story with real science to help children and parents learn about Mars. Back from his trip to the moon, Max the dog is ready for his next adventure — the first human mission to Mars. But the trip is too long for his human friend Tori to make, so she helps Max prepare for the journey. On the red planet, Max sniffs out many mysteries — and makes one of the most important discoveries of all time. This engaging story fuels young readers' interest in space travel, while explaining difficult scientific concepts in an easy-to-understand manner.