Tsynq Yr, a Sylon scout and pilot, is flying a stolen spaceship behind the enemy lines of the Zarnk Empire. In the course of evading a Zarnk battleship, the Sylon crash-lands his vessel on Earth. Grave injuries force him to abandon his body and assume the form of the only available host - a skunk! The alien's luck improves when he chances to meet Karen, a girl who dreams of space adventure. Thanks to his powers of telepathy, he can communicate with...

Sprouting a tail and spikes over the summer before fifth grade, Sawyer, a boy with the dinosaur gene, is bullied in school, but when his tormentors begin to disappear, it is up to Sawyer, his best friend Elliot, and a mysterious new girl to rescue them from a galactically horrible fate.

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.

When aliens abduct both Leo and his artist friend Tim, Leo tries to determine why these creatures from outer space want particularly to use his friend's talent.

Sarah, Marco, their families, friend Leo, and his grandfather continue to strive to outwit treasure-seeker Fox and escape the mysterious island and its strange inhabitants.

"Zachary Night enrolls at a secret training camp for future defenders of the galaxy, but when a routine mission takes a dangerous turn, he finds himself lost in a universe that's bigger than he ever imagined"-- Provided by publisher.

In the chaotic turmoil that follows the Boov invasion of Earth, eleven-year-old Gratuity Tucci finds herself driving her mother's car to Florida, where all of the humans are being relocated, with her cat and a renegade extraterrestiral named J. Lo as her copilots.

To save his father, a Coalition scientist protecting a precious resource, after their ship is attacked, Leo stows away on a strange ship of mercenary space pirates and must decide who to trust--human or alien--to stay alive. When scientists discover a rare and mysterious mineral buried in the Earth's crust, it's not long before aliens show up to our little corner of the galaxy offering a promise of protection, some fabulous new technology, and entry...