Teitl portffolio = Portfolio title.
Mae'r pecyn yn cynnwys 1 llyfr, 61 cerdyn = Pack contains 1 book, 61 cards.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Cardiau Gomer : cardiau cywain gwybodaeth by Clive Phillips. ISBN 1843233304. Published by Gomer in 2004. Publication and catalogue information, links to buy online and reader comments.
