Proffesor Pwyna!
By: Margiad Roberts ; darluniau gan Carys Eurwen Jones.
Contributors: Owen, Carys Eurwen.
Edition: ail arg.
Series: Cyfres corryn
Publisher: Gomer
Published: 1994
Place of publication: Llandysul
Language: wel
Number of pages: 78
Notes: Arg. gwreiddiol = Original ed: Llandysul: Gomer, 1989.