Books with author Diane Duane

In the hotly anticipated ninth installment of the Young Wizards series, Kit and Nita become part of an elite team investigating the mysterious “message in a bottle,” which holds the first clues to the secrets of the long-lost inhabitants of Mars. But not even wizardry can help them cope with the strange events that unfold when the “bottle” is uncorked and a life form from another era emerges.Though the Martians seem friendly, they have a plan that could change the shape of more than one world. As the shadow of interplanetary war stretches over both worlds, Kit and Nita must fight to master the strange and ancient synergy binding them to Mars and its last inhabitants. If they don’t succeed, the history that left Mars lifeless will repeat itself on Earth.

Nita Callahan is a thirteen-year-old girl who discovers a book titled So You Want to Be a Wizard while hiding from bullies in a library. She brings the book home with her and discovers that it is about the art of wizardry. She does not completely trust the book's claim that she can become a wizard if she takes the Wizard Oath, but she takes it nonetheless. The next day when she is out trying to do her first spell she meets Kit Rodriguez, another wizard. After they successfully complete a spell together, Nita's doubts are gone: she is a wizard.