In this adventure, Annabeth encounters more oddities in the subway than usual, including a two-headed monster and a younger blond girl who reminds her a little

The Greek and Roman demigods must simultaneously prevent the earth mother, Gaea, from waking and stop war from breaking out at Camp Half-Blood.

The adventure begins here - the first novels from the five groundbreaking series by Rick Riordan! Starting with THE LIGHTNING THIEF, the book that launched mill

Now available for the first time: all five novels from the amazing Heroes of Olympus series, collected in one stunning digital edition. Join the Heroes of Olymp

The spine-tingling horror of Stephen King meets an eerie mystery worthy of Sara Shepard's Pretty Little Liars series in Kate Karyus Quinn's haunting debut. On a