When the goddess Artemis disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.

Jason, Piper, and Leo, three students from a school for "bad kids," find themselves at Camp Half-Blood, where they learn that they are demigods and begin a quest to free Hera, who has been imprisoned by Mother Earth herself.

"The Greek and Roman demigods will have to cooperate in order to defeat the giants released by the Earth Mother, Gaea. Then they will have to sail together to the ancient land--Greece itself--to find the Doors of Death"--

"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"--

"In his penultimate adventure, a devastated but determined Apollo travels to Camp Jupiter, where he must learn what it is to be a hero, or die trying"--

Zeus, a tiny hamster who believes he is the king of the gods, must find the legendary "Golden Fleas" and solidify his position before the other animals at Mount Olympus Pet Center rebel.

Beneath the gaze of the gods, the mighty armies of Greece and Troy met in fierce and glorious combat, scrupulously following the text set forth in Homer's timeless narrative. But that was before twenty-first-century scholar Thomas Hockenberry stirred the bloody brew, causing an enraged Achilles to join forces with his archenemy Hector and turn his murderous wrath on Zeus and the entire pantheon of divine manipulators; before the swift and terrible...

Emily is contending with great changes, including diminished powers, but goes to London to rescue Agent B and others from the CRU, where she makes horrible discoveries about the agency's history.

"The otherworldly Karou struggles to come to terms with who and what she is, and how far she'll go to avenge her people"--

Will the Greek god Apollo, cast down to Earth in the pathetic mortal form of a teenager named Lester Papadopoulos, finally regain his place on Mount Olympus? Lester's demigod friends at Camp Jupiter just helped him survive attacks from bloodthirsty ghouls, an evil Roman king and his army of the undead, and the lethal emperors Caligula and Commodus. Now the former god and his demigod master Meg must follow a prophecy uncovered by Ella the harpy. Lester's...