Arg. Saesneg gwreiddiol = Original English ed.: London: Collins Educational, 1993.
Yn cynnwys mynegai = Includes index.
Addasiad Cymraeg gan = Welsh adaptation by: Ken a Sian Owen.
Teitl clawr = Cover title.
Golwg gyntaf ar ble mae pethau'n byw by Pamela Wadsworth. ISBN 185596256X. Published by Dref Wen in 1997. Publication and catalogue information, links to buy online and reader comments.