Animorph Percy Jackson and The Heroes of Olympus: The Lost Hero

Jason woke up with no memory. Piper's dad been kidnapped by a giant bane of Athena. Leo's past comes back to haunt him. Three different paths tied together by Hera to free her from her prison and stop the giant bane of Zeus while searching for the lost hero Percy Jackson. But as they take on the quest Hera assemble them for they learn Percy might not be the only Lost Hero.