Editions of Ptolemy's Gate

Paperback, 528 pages

Published Aug. 10, 2006 by Corgi Bantam Press.

Paperback

Published Feb. 1, 2006 by Little, Brown Books for Young Readers.

English language

Published Aug. 19, 2011 by Random House Children's Books.

503 pages

Italian language

Published Nov. 18, 2006

English language

Published Aug. 19, 2005 by Penguin Random House.

English language

Published Aug. 19, 2005 by Penguin Random House.