"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"--

"The Greek and Roman demigods must simultaneously prevent the earth mother, Gaea, from waking and stop war from breaking out at Camp Half-Blood"--

Demigod Percy Jackson, still with no memory, and his new friends from Camp Jupiter, Hazel and Frank, go on a quest to free Death, but their bigger task is to unite the Greek and Roman camps so that the Prophecy of Seven can be fulfilled.

"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"--

The long-awaited prophecy surrounding Percy Jackson's sixteenth birthday unfolds as he leads an army of young demigods to stop Kronos in his advance on New York City, while the Olympians struggle to contain the rampaging monster, Typhon.

A retelling of the Trojan War from the perspectives of its women follows the stories of a vigil-keeping Penelope, an Amazon princess rival of Achilles, and three goddesses whose feud sparks a tragic conflict.

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.

When Camp Half-Blood, the only safe haven for demigods, comes close to being overrun by mythological monsters, Percy must find his best friend Grover, who is prisoner on an island in the Bermuda Triangle, and then set out to save the Camp.

"The Relentless One, the Bearer of the Bow, the Untamed.....those are only a few of the names Selene DiSilva's answered to over the years. But these days she's content to work in secret, defending the women of Manhattan from the evils of men. She's reclusive, stubborn, and deeply unfriendly to everyone but her dog. But when a woman's mutilated body washes up in Riverside Park wearing a laurel wreath, Selene finds that she can no longer hide in the...

Moving to Jupiter's palace on Mount Olympus with her friends after being recognized as the Flame, Emily resolves to save her father from the CRU prison and sneaks away only to become entangled in a new invasion by the Nirads.