Season of the spellsong
This is first three books: Spellsinger, The Hour of the Gate, & The Day of the Dissonance
Science fiction
Alan Dean Foster
Alan Dean Foster is an American author of fantasy and science fiction. He currently resides in Prescott, Arizona, with his wife, and is also known for his novelizations of film scripts. He holds a bachelor's degree in political science and a MFA from the University of California, Los Angeles. ([Source][1])


  [1]: http://en.wikipedia.org/wiki/Alan_Dean_Foster