31 books in series

Camp Half-Blood Chronicles

Camp Half-Blood Chronicles is a 38-book series with 31 released primary works first released in 1962 with contributions by Rick Riordan, Nick Chamian, Mark Oshiro, Chris Dickey, Mary-Jane Knight, Leah Wilson, Attila Futaki, and Tamas Gaspar.

Series Position	Details	Rating	Readers Count
#1	The Lightning Thief Rick Riordan	4.05	2,428 reads
#2	The Sea of Monsters Rick Riordan	3.98	1,619 reads
#3	The Titan's Curse Rick Riordan	4.15	1,468 reads
#4	The Battle of the Labyrinth Rick Riordan	4.2	1,386 reads
#4.5	The Demigod Files Rick Riordan	2.83	18 reads
#5	The Last Olympian Rick Riordan	4.33	1,354 reads
#5.1	Percy Jackson and the Singer of Apollo Rick Riordan	4	24 reads
#5.2	The Son of Sobek Rick Riordan	4.06	109 reads
#5.3	The Staff of Serapis Rick Riordan	4.34	69 reads
#5.4	The Crown of Ptolemy Rick Riordan	4.29	49 reads
#7	The Son of Neptune Rick Riordan	4.19	789 reads
#7.5	The Demigod Diaries Rick Riordan	3.97	121 reads
#8	The Mark of Athena Rick Riordan	4.19	744 reads
#9	The House of Hades Rick Riordan Nick Chamian	4.34	659 reads
#10	The Blood Of Olympus Rick Riordan	4.19	595 reads
#11	The Chalice of the Gods Rick Riordan	4.1	190 reads
#12	The Hidden Oracle Rick Riordan	3.91	352 reads
#13	Untitled Untitled Rick Riordan	0	0 reads
#14	The Burning Maze Rick Riordan	4.24	178 reads
#14.5	Campo Mezzosangue - Il libro segreto Rick Riordan Laura Grassi (Translator)	0	1 read
#15	The Tyrant's Tomb Rick Riordan	4.4	150 reads
#17	The Sun and the Star Mark Oshiro Rick Riordan	4.15	57 reads
#19	O Sol e a Estrela Rick Riordan Mark Oshiro Regiane Winarski (Translator)	0	0 reads
#20	The Court of the Dead Rick Riordan Mark Oshiro	0	0 reads
	The Sea of Monsters: The Graphic Novel Attila Futaki Rick Riordan Tamas Gaspar	4.11	23 reads
	Percy Jackson and the Lightning Thief - The Graphic Novel Rick Riordan	3.93	56 reads
	Percy Jackson & the Olympians: The Ultimate Guide Mary-Jane Knight	3.75	39 reads
	Percy Jackson's Greek Gods Rick Riordan	4.29	132 reads
	Percy Jackson's Greek Heroes Rick Riordan	4.23	83 reads
	The Titan's Curse: The Graphic Novel Rick Riordan Chris Dickey	4.36	10 reads
	Percy Jackson and the Greek Gods Rick Riordan	4	8 reads
	Rick Riordan's Demigods of Olympus: An Interactive Adventure Rick Riordan	2	1 read
	Percy Jackson and the Olympians The Lightning Thief The Graphic Novel Rick Riordan	4	1 read
	Demigods and Monsters: Your Favorite Authors on Rick Riordan's Percy Jackson and the Olympians Series Leah Wilson Janaína Senna (Translator) Rafael Gustavo Spiegel (Translator)	3.43	12 reads
	Percy Jackson en de Griekse goden Rick Riordan	0	0 reads
	Os Heróis Gregos de Percy Jackson Rick Riordan	0	0 reads
	The Son of Neptune: The Graphic Novel Rick Riordan	4.43	28 reads
	The Battle of the Labyrinth: The Graphic Novel Rick Riordan Attila Futaki Tamas Gaspar	4.27	14 reads
	Demigods of Olympus Demigods of Olympus: An Interactive Adventure Rick Riordan	4	3 reads