Arg Saesneg gwreiddiol = Original English ed: Hemel Hempstead : Simon & Schuster Young Books in association with Channel Four Television, 1994.
Addaswyd y testun o sgriptiau Chris Ellis = Text adapted from scripts by Chris Ellis.
Y syniad gwreiddiol gan Tom Stanier = Original idea by Tom Stanier.
Lan a lawr. ISBN 075001766X. Published by Simon & Schuster Young Books ar y cyd â BBC Cymru in 1995. Publication and catalogue information, links to buy online and reader comments.