March 28th, 2014 by You(th)
Submitted by Ben, Age 11 from Rhode Island
This is one of the best books that involves history, adventure, and action. After falling into the pit of Tartarus, Percy and Annabeth must make it to the doors of death without gaining attention. On the overworld Leo, Jason, Piper, Hazel, and Nico must reach the doors of death on the other side to save Percy and annabeth and stop Gaea from awakening!
4th Book Of The Heroes Of Olympus Series.