Siencyn
By: gan Mary Vaughan Jones ; darluniau gan Rowena Wyn Jones.
Contributors: Jones, Rowena Wyn.
Edition: Argraffiad newydd.
Series: Cyfres darllen stori
Publisher: Cymdeithas Lyfrau Ceredigion
Published: 2005
Place of publication: Aberystwyth
Language: wel
Number of pages: 32