Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death--and help Percy and Annabeth escape the Underworld in the process.

Brilliant Egyptologist Dr. Julius Kane accidentally unleashes the Egyptian god Set, who banishes the doctor to oblivion and forces his two children to embark on a dangerous journey, bringing them closer to the truth about their family and its links to a secret order that has existed since the time of the pharaohs.

After a summer spent trying to prevent a catastrophic war among the Greek gods, Percy Jackson is finding seventh grade unnervingly quiet. His biggest problem is dealing with his new friend, Tyson, a six-foot-three, mentally challenged homeless kid who follows Percy everywhere. But things don't stay quiet for long. Percy soon discovers that there is trouble at Camp Half-Blood: the magical borders that protect Half-Blood Hill have been poisoned, and...

A man comes home to San Antonio, Texas, to rescue his old girlfriend and solve the 12-year-old murder of his sheriff father.

Rick Riordan, triple-crown winner of the Edgar, Anthony, and Shamus Awards, has already emblazoned his name on the map of crime fiction with his Tres Navarre novels -- a fast, funny, totally hip series that blends masterful writing with richly drawn characters and nonstop action. Now Riordan brings his P.I. Tres Navarre to the heart of Texas -- Austin -- with a fiercely original thriller that explores family ties as deep and twisted as the waterways...

Though the Greek and Roman crewmembers of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have risen -- all of them -- and they're stronger than ever. They must be stopped before the Feast of Spes, when Gaea plans to have two demigods sacrificed in Athens. She needs their blood -- the blood of Olympus -- in order to wake. The demigods are having more frequent visions of...

"After angering his father Zeus, the god Apollo is cast down from Olympus. He must learn to survive in the modern world until he can somehow find a way to regain Zeus's favor"-- How do you punish an immortal? By making him human. After angering his father Zeus, the god Apollo is cast down from Olympus. Weak and disorientated, he lands in New York City as a regular teenage boy. Now, without his godly powers, the four-thousand-year-old deity must learn...

After learning that he is the son of a mortal woman and Poseidon, god of the sea, twelve-year-old Percy is sent to a summer camp for demigods like himself, and joins his new friends on a quest to prevent a war between the gods.

"For Tres Navarre, English professor turned private investigator, business has lately taken a drastic turn south. But if chasing down bail jumpers, adulterous spouses, and workmen's comp cases seemed like the dregs of the PI game, it was at least a living. Not as much could be said for tracking down a man like Will "the Ghost" Stirman." "The stone-cold killer has just staged a bloody escape from the Floresville State Penitentiary with a gang of violent...