"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.

"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"--Provided by publisher.

Reborn as the Flame, thirteen-year-old Emily has saved Olympus from destruction, but when the gruesome Nirads begin a new invasion, Emily and her friends become entangled in the conflict as old grudges are unearthed and new enemies are discovered.

Two-thousand-year-old druid Atticus O'Sullivan, Granuaile and the wolfhound Oberon race across modern-day Europe to try to escape the clutches of Olympian goddesses Artemis and Diana and the Norse god of mischief, Loki.