P1073 Testun Cymraeg/Saesneg tête-bêche = Welsh/English text tête-bêche.
Buy a copy
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Penblwydd hapus yn 85 mlwydd oed? = Happy 85th birthday?. Published by Age Concern Cymru in 2004. Publication and catalogue information, links to buy online and reader comments.