B. M. Bower 
Chip of the Flying U 

Classic western. ‚Wherein the love affairs of Chip and Della Whitman are charmingly and humorously told.‘ According to Wikipedia: ‚Bertha Muzzy Sinclair or Sinclair-Cowan, née Muzzy (November 15, 1871 – July 23, 1940), best known by her pseudonym B. M. Bower, was an American novelist who wrote fictional stories about the American Old West… She wrote 57 Western novels, several of which were turned into films.‘