Author: David Walliams; Addasiad Cymraeg: Manon Steffan Ros.

A hardback book brimming with comic stories about five awful girls and boys: Sara Soffa, who spends so much time on the sofa that she is turning into one, Guto Glafoerio, the never-ending dribbler, big sister Beti Bw-hw, the tell-tale and many more. Manon Steffan Ros's Welsh adaptation of The World's Worst Children, David Walliams' unique take on the classic cautionary tale. 

Awdur: David Walliams; Welsh Adaptation: Manon Steffan Ros.

Cyfrol clawr caled o straeon byrion digri am bum merch a phum bachgen ofnadwy: Sara Soffa, merch sydd mor gaeth i'w soffa nes ei bod yn dechrau troi yn un; Guto Glafoerio, bachgen sy'n glafoerio yn ddiddiwedd; Beti Bw-hw, chwaer fawr gas sy'n cario clecs o hyd, a llawer mwy! Addasiad Cymraeg Manon Steffan Ros o un o deitlau poblogaidd David Walliams, The World's Worst Children.