Titles in this set:

The Lost Hero

The Son of Neptune

The Mark of Athena

The House of Hades

The Blood of Olympus

Description from the publisher:

The Lost Hero

When Jason, Piper and Leo crash land at Camp Half-Blood, they have no idea what to expect. Apparently, this is the only safe place for children of the Greek Gods - despite the monsters roaming the woods and demigods practising archery with flaming arrows and explosives. But rumours of a terrible curse - and a missing hero - are flying around camp. It seems Jason, Piper and Leo are the chosen ones to embark on a terrifying new quest, which they must complete by the winter solstice. In just four days' time. Can the trio succeed on this deadly mission - and what must they sacrifice in order to survive

The Son of Neptune

Percy Jackson, son of Poseidon, God of the Sea, has woken from a very deep sleep and come face to face with two snake-haired ladies who refuse to die. But they're the least of his problems. Because Percy finds himself at a camp for half-bloods, which doesn't ring any bells for him. There's just one name he remembers from his past. Annabeth. Only one thing is certain - Percy's questing days aren't over. He and fellow demigods Frank and Hazel must face the most important quest of all: the Prophecy of Seven. If they fail, it's not just their camp at risk. Percy's old life, the gods, and the entire world might be destroyed.

The Mark of Athena

The Mark of Athena is the explosive third part in Rick Riordan's number one series - Heroes of Olympus. ONE FATAL PROPHECY...SEVEN BRAVE DEMIGODS...A QUEST TO FIND - AND CLOSE - THE DOORS OF DEATH. Annabeth felt as if someone had draped a cold washcloth across her neck. She heard that whispering laughter again as if the presence had followed her from the ship. She looked up a

Rick Riordan is the #1 New York Times bestselling author of the Percy Jackson and the Olympians series, the Kane Chronicles, and the Heroes of Olympus. He is also the author of the multi-award-winning Tres Navarre mystery series for adults.

For fifteen years, Rick taught English and history at public and private middle schools in the San Francisco Bay Area and in Texas. In 2002, Saint Mary's Hall honored him with the school's first Master Teacher Award.

While teaching full time, Riordan began writing mystery novels for grownups. His Tres Navarre series went on to win the top three national awards in the mystery genre - the Edgar, the Anthony and the Shamus. Riordan turned to children's fiction when he started The Lightning Thief as a bedtime story for his oldest son.

Today over 35 million copies of his Percy Jackson, Kane Chronicles, and Heroes of Olympus books are in print in the United States, and rights have been sold into more than 35 countries. Rick is also the author of The 39 Clues: The Maze of Bones, another #1 New York Times bestseller.

Rick Riordan now writes full-time. He lives in Boston with his wife and two sons.