Daw Tom, cefnder i Jac, a'r ddwy gath fach ddrygionus, Mihangel a Myfanwy, i Benygynffon i weld Jac. Erbyn i Tom gyrraedd, mae'r cathod bach ar goll. A fedr Jac a chyfaill newydd iddo helpu Tom i ddod o hyd iddyn nhw.

 

There are 28 pages in this book. This book was published 2005 by Gwasg Helygain .