"It would be a great book to read to your class, or have your class read while studying about outer space and space travel." - Duval Charter School Are you ready for the journey of a lifetime? Jump on board of the Mars Cruiser with Luke and Maya, and travel to a different planet! While the earth is getting smaller and smaller and the stars shoot past the window, you’ll discover all the secrets of the universe. From planets to supernovas and from black holes to aliens: this will be an unforgettable journey!