Percy Jackson's hope for a normal senior year is shattered as the gods present him with three quests, beginning with the retrieval of Zeus's goblet, in order to get the necessary three letters of recommendation for college.

When the goddess Artemis goes missing, she is believed to have been kidnapped. And now it's up to Percy and his friends to find out what happened. Who is powerful enough to kidnap a goddess? They must find Artemis before the winter solstice, when her influence on the Olympian Council could swing an important vote on the war with the titans. Not only that, but first Percy will have to solve the mystery of a rare monster that Artemis was hunting when...

"THE LIGHTNING THIEF: Zeus's master lightning bolt has been stolen and Percy Jackson is the prime suspect. He and his friends have ten days to find and return it and bring peace to a warring Mount Olympus. To succeed, Percy has come to terms with the father who abandoned him, solve the riddle of the Oracle that warns of betrayal by a friend, and unravel a treachery more powerful than the gods themselves. THE LOST HERO: Jason, Piper, and Leo find themselves...

"Um chamado do amigo Grover deixa Percy a postos para mais uma missão: dois novos meios-sangues foram encontrados, e sua ascendência ainda é desconhecida. Como sempre, Percy sabe que precisará contar com o poder de seus aliados heróis, com sua leal espada Contracorrente... e com uma caroninha da mãe. O que eles ainda não sabem é que os jovens descobertos não são os únicos em perigo: Cronos, o Senhor dos Titãs, arquitetou um de seus planos...

Summary in vernacular field only.