Fersiwn Saesneg ar gael hefyd = English version also available.
Addasiad Cymraeg gan = Welsh adaptation by : Siân Lewis.
William Booth : Cristion arbennig iawn by Gill Vaisey. ISBN 1856446514. Published by Y Ganolfan Astudiaethau Addysg in 2002. Publication and catalogue information, links to buy online and reader comments.