Star Wars - Jedi Quest - The Final Showdown
An old enemy emerges for one last battle. A rivalry takes a life-changing turn. A Jedi Master loses his hold on his apprentice. The starling conclusion to the Jedi Quest series.

Obi-Wan Kenobi and Anakin Skywalker are closer than ever to capturing their fiercest rival, the mysterious Granta Omega. But in order to do it, Anakin will have to betray one of his fellow apprentices . . . and Obi-Wan will be pushed farther than he's ever gone before in his search for justice - and revenge.
Darth Vader (Fictitious character), Science fiction, Juvenile fiction, Obi-Wan Kenobi (Fictitious character), Fiction
Jude Watson
American novelist.  Judy Blundell, pseudonym Jude Watson, is an American author of books for middle grade, young adult, and adult readers. She won the annual National Book Award for Young People's Literature in 2008 for the young adult novel What I Saw and How I Lied, published under her real name by Scholastic Books.