The ISBN of Hero Happy Hour is 0557185793.
The ISBN of The Lost Hero is 9781423113393.
The ISBN of Conan the Hero is 0-8125-3318-6.
The ISBN of Happy to be Here is 0140131825.
The ISBN of Once a Hero - novel - is 0-671-87871-9.
The ISBN of The Hour of the Star is 978-0811219495.
The ISBN of The Hero with a Thousand Faces is 978-1-57731-593-3.
The ISBN of The Happy Isles of Oceania is 9780399137266.
The ISBN of The Commitments is 0-9512072-0-2.
The ISBN of The Hour of the Gate is 0-7434-9829-1.
The ISBN of The Secret Hour is 0-06-051951-7.
The ISBN of In Evil Hour is 978-0-06-011414-5.
The ISBN of The Golden Hour - novel - is 0-8109-4823-0.