Asteroids, meteorites, comets, and more! Join Jet along with his friends Sydney, Sean, and Mindy as they take off on exciting outer space explorations. Watch as Jet's mom zooms the kids to space in their flying saucer, as the kids conduct a series of tests to determine if a unique rock is indeed a meteorite, and as the neighborhood hosts a stargazing party!

Jet and his friends invite readers on a tour of the world's oceans, engaging in fun-filled water and ice activities before launching away on a mission to the frozen environment of Jupiter's moon, Europa.

When Sean tells Jet, Sydney, and Mindy about the Apollo 11 mission, the kids decide to do a real-life reenactment of the first landing on the moon.

"Jet and his friends are going on a journey to Pluto! Come along and learn about the dwarf planet way out at the edge of our solar system"--Page [4] of cover.

Happily celebrating Earth Day, Jet Propulsion takes his Ready Jet Go friends on an amazing ride around the world in his flying saucer while convincing them that every day should be Earth Day.

When Jet's pet Sunspot goes missing, Jet and his Earth friends use the North Star to navigate their way to find him.