Addasiad Cymraeg gan = Welsh adaptation by : Meirion Morris.
Cyhoeddwyd yn wreiddiol = Originally published by : Christian Focus Publications.
Ar y ffordd : llyfr 3 (3-9 oed). ISBN 1859944736. Published by Cyhoeddiadau'r Gair in 2003. Publication and catalogue information, links to buy online and reader comments.