La Guerre des Boutons by Louis Pergaud
This book is set at the end of the 19th century and charts the adventures of a group of boys who have undertaken to continue an ancient quarrel with the boys of a neighbouring village. The children engage in battles where they cut of the buttons, shoe-laces, belts and braces of their captured opponents. This is to get the boys in trouble with their parents...
You can find the audio here : Guerre des Boutons audio , from litteratureaudio.com. (6h 43min)
Here is the subtitles (html and srt) that I made for the corresponding audio files above: subtitles. (540 KB)