Llyfr natur ar waith
By: Angela Wilkes ; addasiad Cymraeg gan Alwena Williams.
Contributors: Williams, Alwena.
Publisher: Cymdeithas Lyfrau Ceredigion
Published: 1992
Place of publication: Aberystwyth
Language: wel
Number of pages: 48
Subjects: Natural history -- Juvenile literature.
Work titles: My first nature book.
Notes: Arg Saesneg gwreiddiol = Original English ed: London: Dorling Kindersley,1992.

Addasiad Cymraeg o = Welsh adaptation of: My first nature book.