Fformat pen i waered, gyda gwybodaeth ffeithiol un ochr a stori yr ochr arall = Upside down format, with factual information on one side and story on other side.
Yn cynnwys mynegai = Includes index.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
S4/C by Elin Meek. ISBN 9781845214050. Published by CAA in 2010. Publication and catalogue information, links to buy online and reader comments.
