A Welsh adaption by Dewi Wyn Williams of David Walliams' Grandpa's Great Escape. A great opportunity to enjoy exciting and humorous adventures as we experience the unique relationship between a boy and his grandfather who was a Spitfire pilot during World War II.

Addasiad Cymraeg Dewi Wyn Williams o Grandpa's Great Escape gan David Walliams. Cyfrol o anturiaethau llawn cyffro a hiwmor am berthynas unigryw plentyn a'i daid a oedd yn beilot awyren Spitfire yn ystod yr Ail Ryfel Byd.