Richmal Crompton 
Just William [EPUB ebook] 

"Just William" is the first book of children’s short stories about the young school boy William Brown, written by Richmal Crompton, and published in 1922. The book was the first in the series of William Brown books which was the basis for numerous television series, films and radio adaptations. Just William is also sometimes used as a title for the series of books as a whole, and is also the name of various television, film and radio adaptations of the books. William Brown is an eleven-year-old boy, eternally scruffy and frowning. William and his friends, Ginger, Henry and Douglas, call themselves the Outlaws, and meet at the old barn in Farmer Jenks’ field, with William being the leader of the gang. The Outlaws are sworn enemies of the Hubert Laneites, with whom they frequently clash. (Excerpt from Wikipedia)