Hefyd ar gael fel llyfr Saesneg yn unig (rhagarweiniad) = Also available as an English-only book (introduction)
Portion of title: Leap into gymnastics.
Naid i gymnasteg : canllaw gam wrth gam i athrawon anarbenigol : cyfnodau allweddol 1 a 2 = Leap into gymnastics : a step-by-step guide for non-specialist teachers : key stages 1 and 2 by Hefin Parry. ISBN 1901862364. Published by Cyhoeddiadau FBA in 1999. Publication and catalogue information, links to buy online and reader comments.