Sara is having one of those days. First she has a sock problem, and then there's a strange pea... All of a sudden, her Wobbler is out of control! What can Sara do on a day like today? Sara has a lot to learn about the ways of wobblers in this laugh-out-loud, bad-mood-banishing story from Nadia Shireen. Welsh adaptation by Endaf Griffiths. -- Cyngor Llyfrau Cymru