Willard F. Baker was an American author of children's books, particularly adventure stories for boys. He wrote two well known series' of books: The Boy Ranchers series and the Bob Dexter series. Amongst his works are The Boy Ranchers; or, Solving the Mystery at Diamond X (1921), The Boy Ranchers in Camp; or, The Water Fight at Diamond X (1921), The Boy Ranchers on the Trail; or, The Diamond X After Cattle Rustlers (1921), The Boy Ranchers Among the Indians (1921), The Boy Ranchers in the Desert (1924), The Boy Ranchers on Roaring River; or, Diamond X and the Chinese Smugglers (1926), The Boy Ranchers in Death Valley (1928), The Boy Ranchers in Terror Canyon (1930) and Western Stories for Boys (1934). The Boy Ranchers series of stories are all set in the great American west, with cattle ranches as a setting, related in such a style as to captivate the hearts of all boys.