Herbert Strang

Herbert Strang was the pseudonym of two English authors, George Herbert Ely (1866–1958) and Charles James L'Estrange (1867–1947). They specialized in writing adventure stories for boys, both historical and modern-day. There was in addition an anthology series for girls by "Mrs. Herbert Strang", who was also given as the author of some adventure books for girls, notably The Girl Crusoes: A Story of the South Seas. Source: Wikipedia