Arg. Saesneg gwreiddiol = Original English ed.: Llundain: Scholastic Cyf, 1997.
Addasiad Cymraeg gan = Welsh adaptation by: Luned Whelan.
Lift the flap book.
Twm a Dicw yn yr ardd by Cathy Gale. ISBN 0852842422. Published by Hughes a'i Fab in 1999. Publication and catalogue information, links to buy online and reader comments.