The Mark of Athena is the third book of The Heroes of Olympus series written by Rick Riordan.
The Sea of Monsters is a fantasy-adventure novel based on Greek mythology written by Rick Riordan published in 2006.
The Battle of the Labyrinth is a 2008 fantasy-adventure novel based on Greek mythology; it is the fourth novel in the Percy Jackson & the Olympians series by Rick Riordan.
Flyte is a 2006 children's novel by Angie Sage and the second book in the Septimus Heap series.
The Titan's Curse is a 2007 fantasy-adventure novel based on Greek mythology written by Rick Riordan.