Rick Riordan is also the author of the best-selling Percy Jackson and the Olympians, Book One: The Lightning Thief and Percy Jackson and the Olympians, Book Two: Sea of Monsters. His previous novels for adults include the hugely popular Tres Navarre series, winner of the top three awards in the mystery genre. He lives in San Antonio, Texas, with his wife and two sons.
When the goddess Artemis goes missing, she is believed to have been kidnapped.And now it's up to Percy and his friends to find out what happened. Who is powerful enough to kidnap a goddess? They must find Artemis before the winter solstice, when her influence on the Olympian Council could swing an important vote on the war with the titans. Not only that, but first Percy will have to solve the mystery of a rare monster that Artemis was hunting when she disappeared -- a monster rumored to be so powerful it could destroy Olympus forever.