Editions of "The Lost Hero"

English language

Published March 25, 2014 by Penguin Books, Limited.

Published March 25, 2010 by hyperion books.

Published March 25, 2010 by Puffin Books.

Published March 25, 2016

Spanish language

Published March 25, 2013 by Knopf Doubleday Publishing Group.

Published Jan. 1, 2010 by Scholastic.