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 must simultaneously prevent the earth mother, Gaea, from waking, and stop war from breaking out at Camp HalfBlood"--|cProvided by publisher.

Modern-day demigod Percy Jackson tells the origin stories of major Greek heroes, including Perseus, Bellerophon, and Atalanta, while offering his own personal take on his ancient associates.

"After being tricked into releasing the gods from their capitiviy on Olympus, Helen Hamilton must find a way to re-imprison them without starting a devasting war, all while fighting the ever-growing passion she feels for her forbidden love, Lucas Delos"--

When a mermaid named Amphitrite arrives at Mount Olympus Academy, she finds herself falling for Poseidon, but his quirks may be too much for her.

"In response to an awful camp orientation video created by the god Apollo, Percy Jackson and other residents of Camp Half-Blood answer campers' questions such as "What is this place?" and "Do I get to keep the T-shirt?""--

"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"--Provided by publisher.

Zeus and the rest of the Olympians try to rescue Artemis from the clutches of a titan named Crius who has her under a sleeping spell.

Hanged in an annual sacrificial ritual to Poseidon, seventeen-year-old oracle Leto awakens on an island inhibited by Melantho, a strange immoral girl with oceanic powers, who tells Leto the only way to break Poseidon's curse is to return to Ithaca and kill the prince.

During Ares' birthday, Aphrodite is intent on making sure he has a good time, but that requires her to keep an eye on his sister Eris, who is planning mischief.