Taclo'r triciau
Subtitle: 39 ffordd o brofi'ch cyflymder a'ch sgìl
By: John Dinneen ; addasiad Brenda Wyn Jones.
Publisher: Cymdeithas Lyfrau Ceredigion
Published: 1996
Place of publication: Aberystwyth
Language: wel
Number of pages: 48
Work titles: Super-challenge.