"The Alpha and Omega teams are in a race for the six essential elements that can fuse into a new source of clean energy, but the elements are scattered throughout the galaxy, and the teams are running out of time"-- Provided by publisher.

The Voyagers have made it to the last planet but must acquire a seventh element, combat dragons and an alien clone, and face serious illness before returning to Earth.

"With her parents off traveling the globe, Lenora is bored, bored, bored -- until she discovers a secret doorway into the ultimate library. Mazelike and reality-bending, the library contains all the universe's wisdom. Every book ever written, and every fact ever known, can be found within its walls. And Lenora becomes its newly appointed Fourth Assistant Apprentice Librarian. She rockets to the stars, travels to a future filled with robots, and faces...

Andy and Terry live in a 130-story treehouse. It used to be a 117-story treehouse, but they added another 13 stories. It has a soap bubble blaster, a time-wasting level, a 13-story igloo, the GRABINATOR (it can grab anything from anywhere at any time). It is a toilet paper factory, and an extraterrestrial observation center for observing aliens. As it turns out, though, it's Andy, Terry, and Jill who are being observed and then abducted by a giant...

Meet Cosmoe, the Earth-Boy. He's captain of the Neon Weiner, the finest flying food truck in the galaxy. Along with his bud, Big Humphree, he spends his days cruising the cosmos and staying crazy busy.

Stranded on the moon after his extraordinary airplane takes him into outer space, a boy meets a marooned young Martian with a broken spacecraft, and the two new friends work together to return to their respective homes.

The students of the Magic School Bus go on a field trip through the solar system.

"Four young Starbounder students must once again risk their lives, travel throughout space,and dismantle an evil conspiracy to save their world"-- Provided by publisher.

"When Min the fox spirit and her ghost brother Jun are sent on a goodwill mission to prevent war from breaking out, they end up getting stranded on a death planet behind enemy lines"-- Provided by publisher.

Lily Lupino yearns to be an astronaut, so when Kosmo Kidd crash-lands in her Brooklyn kitchen in 1949, she will do almost anything to prove herself to him and his crew.