The Lightning Thief is a 2005 American fantasy-adventure novel based on Greek mythology, the first young adult novel written by Rick Riordan in the Percy Jackson & the Olympians series. It won the Adult Library Services Association Best Books for Young Adults, among other awards. 

The Sea of Monsters is an American fantasy-adventure novel based on Greek mythology written by Rick Riordan and published in 2006.

Deep in an ancient network of tunnels and caverns, a weakened Alina must submit to the dubious protection of the Apparat and the zealots who worship her as a Saint. Yet her plans lie elsewhere, with the hunt for the elusive firebird and the hope that an outlaw prince still survives.

The Shadow and Bone series follows the story of Alina Starkov, a soldier who knows she may not survive her first trek across the Shadow Fold – a swath of unnatural darkness crawling with monsters. But, under attack, Alina unleashes a dormant magic she never knew she possessed.

Hunted across the True Sea, haunted by the lives she took on the Fold, Alina must try to make a life with Mal in an unfamiliar land. She finds starting new is not easy while keeping her identity as the Sun Summoner a secret. She can’t outrun her past or her destiny for long.