Previously published in a slightly different format as "Grandads secret giant" by Frances Lincoln Childrens Books in 2017. Originally published in slightly different form in Great Britain by Meadowside Children's Books Originally published in a slightly different form by Hyperion Books for Children, 2000. Originally published in Great Britian and in the USA in 2013 by Frances Lincoln Children's Books Originally published in slightly different form by Alfred A. Knopf, an imprint of Random House Children's Books, New York, in 1996. "Originally published in hardcover in slightly different form by Alfred A. Knopf, an imprint of Random House Children's Books, New York, in 2012." Originally published in Great Britain in 2015 by Frances Lincoln Chidlren's Books Originally published in the U.S. in different form as The Santa Claus Book by Golden Books in 1965