Young Razo travels from Bayern to Tira at war's end as part of a diplomatic corps, but mysterious events in the Tiran capital fuel simmering suspicions and anger, and Razo must spy out who is responsible before it is too late and he becomes trapped in an enemy land.

Daniel X takes on another alien criminal (from The List of Alien Outlaws) whose need for notoriety is threatening the planet.

Fully illustrated with photos, drawings, newspaper clippings, and comics sequences, this original debut novel by a noted illustrator is a hilarious, perceptive, and genre-bending story about a 12-year-old girl who writes an essay six months after an alien race has taken over Earth. 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...

Cora wakes up in a cage on an alien planet where she meets the Kindred, her mysterious alien captors, and along with other teenager abductees must find a way to escape back to Earth.

In 2041 twelve-year-old Dashiell Gibson is a resident of Moon Base Alpha, and at the moment he is faced with a number of problems: coping with the nasty Sjoberg twins, finding out how the commander of the base has managed to disappear from a facility no bigger than a soccer field, and dealing with the alien Zan who communicates with him telepathically from afar--and who is hiding a secret which may threaten the whole Earth.

A conclusion to the story that began with Seven Black Diamonds finds Lily helping the Queen of Blood broker a peace with the human world only to be confronted by a mysterious adversary who is orchestrating violent attacks to sabotage the peace process.

"After a year on Mars, a young boy and his family migrate to the planet Choom, but the inhabitants of Choom, the Zhuri, who look like giant mosquitoes, don't really like humans and it up to the boy and his family to change their minds if they hope to survive." --

After machines take control of Earth, following the extinction of humans, twelve-year-old robot XR 935A confronts its prejudices about humans and begins to reconsider its own existence within robot society after discovering and befriending a twelve-year-old human girl.

Kevin and his science camp buddies, The Extraordinary Terrestrials, defeated the alien Mim and sent him back to prison--but now a group of his friends have shown up in spaceships, bent on revenge, and it is up the Extraordinary Terrestrials to find a way to defeat the invaders.

A companion to the celebrated scientist's popular podcast and National Geographic Channel series combines the subjects of his favorite talks with comprehensive facts, sidebars, and imagery.