Roger Boore

Geiriau Bob Dydd - Children's Picture Dictionary of Welsh Everyday Words for Welsh-Speakers and Learners

By Roger Boore

Geiriadur Lliwgar: For Welsh-speakers and Learners

By Heather Amery, Stephen Cartwright, Roger Boore

Fferm ar Ras

By Rod Campbell, Roger Boore

Popeth Amdana I/All About Me: All About Me

By Dref Wen, Roger Boore