He was a Welsh children's author and a member of British intelligence. He wrote over 100 children's books and was popular in the 1930s. His books were popular for their humour and for his use of colloquialisms. Some of his most famous books include:
- The Boy Scout in Camp (1913)
- The Boy Scout on the Trail (1914)
- The Boy Scout in the Balkans (1915)
- The Boy Scout in Persia (1916)
- The Boy Scout in the Sahara (1917)
- The Boy Scout in the Arctic (1921)
- The Boy Scout in the Jungle (1923)
- The Boy Scout on the River (1925)
- The Boy Scout on the Mountain (1927)
- The Boy Scout on the Sea (1929)