TY  - BOOK
AU  - Riordan, Rick
AU  - Riordan, Rick.|tCrown of Ptolemy.
TI  - The House of Hades
T2  - The heroes of Olympus; book four
SN  - 978-1-142314677-3
AV  - R58h 2015 bk.4 
PY  - 2015///, c2013
CY  - New York
PB  - Disney Hyperion Books
KW  - Mythology, Roman
KW  - Juvenile fiction
KW  - Mythology, Greek
KW  - Adventure stories, American
N1  - Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death--and help Percy and Annabeth escape the Underworld in the process
ER  -