2002 • 242 pages
2016 • 1 Reader • 120 pages
2017 • 104 Readers • 310 pages • 4.3
1998 • 64 pages
#5 of 7 in Percy Jackson and the Olympians
2009 • 1,231 Readers • 381 pages • 4.4
#4 of 7 in Percy Jackson and the Olympians
2008 • 1,244 Readers • 461 pages • 4.2