#2
#6 of 6 in The Secrets of the Immortal Nicholas Flamel
#3
#5 of 6 in The Secrets of the Immortal Nicholas Flamel
#4
#4 of 6 in The Secrets of the Immortal Nicholas Flamel
#5
#3 of 6 in The Secrets of the Immortal Nicholas Flamel
#6
#2 of 6 in The Secrets of the Immortal Nicholas Flamel
#7
#1 of 6 in The Secrets of the Immortal Nicholas Flamel
#8
#2 of 7 in Percy Jackson and the Olympians
#9
#1 of 7 in Percy Jackson and the Olympians
#10
#3 of 7 in Percy Jackson and the Olympians
#11
#4 of 7 in Percy Jackson and the Olympians
#12
#5 of 7 in Percy Jackson and the Olympians
#13
#1 of 5 in The Heroes of Olympus
#14
#2 of 5 in The Heroes of Olympus
#15
#8 of 14 in Camp Half-Blood Chronicles
#16
#4 of 5 in The Heroes of Olympus
#17
#18
#Vol. 1 in The Sandman TPBs