Rebecca Moesta (pronounced MESS-tuh) wanted to be an author since her early teens, but it wasn't until 1991 that she began writing in earnest. Her solo novels include Buffy the Vampire Slayer: Little Things (2002) and three novels in the Junior Jedi Knights series. With her husband, Kevin J. Anderson, she wrote the Crystal Doors trilogy, the movie novelization of THE LEAGUE OF EXTRAORDINARY GENTLEMEN under the pseudonym "K.J. Anderson" (2003); a movie novelization of SUPERNOVA (2000); a novelization of the popular StarCraft computer game STARCRAFT: SHADOW OF THE XEL'NAGA, under the pseudonym "Gabriel Mesta" (2001); and a Star Trek graphic novel, THE GORN CRISIS (2001). The team, currently working on a Young Adult science fiction series, has also written two young adult TITAN A.E. novels, TITAN A.E.: CALE'S STORY and TITAN A.E.: AKIMA'S STORY (2000), two high-tech Star Wars Pop-up Books, and a series of fourteen bestselling young adult STAR WARS novels, the Young Jedi Knights.  Their CRYSTAL DOORS fantasy trilogy was published by Little, Brown, and they are currently working together on a series of books to promote space education in conjunction with the Challenger Learning Centers, "Star Challengers."

Moesta has written several short stories, both on her own and with her husband, ghost-written a novel and co-written three science fiction and fantasy books under pseudonyms. In addition to her many fiction credits, she has had photographs, computer art, and nonfiction articles published in numerous magazines.

Born in Heidelberg, Germany, to American parents, and raised in Southern California, Moesta has traveled extensively in Europe. She has one son, who is in college. She is also CEO of WordFire, Inc., the company that she and Kevin J. Anderson jointly own. In addition to her own writing, she serves as final reader and copyeditor on her husband's manuscripts.