Juvenile novel.
"Based on the earlier life of the character, Jack Sparrow, created for the theatrical motion picture, 'Pirates of the Caribbean : the curse of the Black pearl' ... and characters created for the theatrical motion pictures 'Pirates of the Caribbean: dead man's chest' and 'Pirates of the Caribbean: at world's end' written by Ted Elliot & Terry Rossio."
Silver by Rob Kidd. ISBN 9781405499972. Published by Parragon in 2007. Publication and catalogue information, links to buy online and reader comments.