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

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.

Four short stories plus original art, interviews, puzzles, and games, reveal new insights into the world of Percy Jackson and the other heroes of Olympus.

"When mysterious incidents start wreaking havoc throughout Camp Jupiter, suspicion falls on the Fourth Cohort's newest probatio. But is she really to blame? Find out the truth by delving into the pages of her personal journal"--

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. Semidiós Percy Jackson, aún sin memoria, y sus nuevos amigos en Campo Júpiter, Hazel y Frank, van en una búsqueda para librar a la muerte, pero su tarea más grande es unir los campos de griegos y romanos para...

"Los tripulantes del Argo II han salido victoriosos de sus misiones, pero están lejos de derrotar a Gaia, la madre Tierra. Ella ha conseguido alzar a todos sus gigantes y planea sacrificar a dos semidioses en la festividad de Spes: necesita su sangre, la sangre del Olimpo, para despertar. Por otro lado, la legión romana del Campamento Júpiter, liderada por Octavio, está cada día más cerca del Campamento Mestizo. La Atenea Partenos deberá dirigirse...