A small mouse and his best friend, a giant flying robot, attempt to save the Earth when an evil Martian monkey and his mechanical creations attack.

After heroically saving his classmates, fifth-grader Sawyer's life as a dinosaur-human hybrid has gotten a lot easier until Sawyer, Sylvie, who is part Martian, and Elliot head to Mars in search of Sylvie's missing dad and discover that Mars is trying to kick Pluto out of the solar system.

As a member of a young crew of astronauts on Mars, the reader is faced with real dangers and must make decisions that will determine the success of the mission.

A young colonist on Mars befriends a strange round creature called Willis who gets him into trouble when he goes away to school, but whose presence and friendship finally enable the colonials to negotiate a treaty with the Martians.

Explore the science behind a trip to Mars, from launch to landing on the Red Planet. Set to the tune of "The Farmer in the Dell, " this jaunty journey follows five adorable, bobble-headed astronauts as they learn how to bathe in zero gravity, grow veggies in space, and entertain themselves on the six-month trip.

Six kids from around the world have been chosen for the first-ever mission to Mars and Miranda Regent is one of them. But as soon as the announcement is made, protesters worldwide claim the selection process was rigged -- and that Miranda was only chosen because she's American. Soon she's getting anonymous threatening messages. When the training base is attacked, it looks like Miranda is the intended target. Now the entire mission and everyone's lives...

Built to explore Mars, Resilience begins to develop human-like feelings as he learns from the NASA scientists who assembled him, and as he blasts off and explores Mars, Resilience must overcome different obstacles as he explores the red planet.

Captain Cat and Pilot Matt fly their spaceship off to Mars, where they make new friends among the stars.