Yn cynnwys mynegai = Includes index.
Argraffiad Saesneg gwreiddiol = Original English edition : London : Kingfisher Publications, 2005.
Addasiad Cymraeg gan = Welsh adaptation by : Elin Meek.
Byd pyramidiau by Anne Millard. ISBN 9781843236283. Published by Gwasg Gomer in 2006. Publication and catalogue information, links to buy online and reader comments.