Author: René Goscinny; Welsh Adaptation: Alun Ceri Jones. 

School, friends, playing - but is it during playtime or during lessons that Nicolas and his friends really get to play? That's what the teachers ask themselves every day in this second collection of Nicolas' adventures... light-hearted mischief, good-humoured trouble, and plenty of youthful amusement!

Awdur: René Goscinny; Addasiad Cymraeg: Alun Ceri Jones.  

Ysgol, ffrindiau, chwarae - ond tybed os taw yn ystod amser egwyl neu yn ystod y gwersi mae Nicolas a'i fêts yn chwarae fwya? Dyna'r cwestiwn sydd ar feddwl yr athrawon bob dydd yn ail gasgliad anturiaethau Nicolas... direidus, bob dydd... drygionus, weithiau... yn ei chanol hi, wastad!