Cover image not available
Argraffiad Saesneg hefyd ar gael = English edition also available.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Diffodd y golau by Manon Steffan Ros. ISBN 9781783900640. Published by Canolfan Peniarth in 2015. Publication and catalogue information, links to buy online and reader comments.