James Morgan Walsh also wrote as H. Haverstock Hill, Stephen Maddock, George M. White and Jack Carew. Walsh was born in Geelong and educated in Melbourne and is best known as an extremely prolific writer of crime mysteries, mostly set in England. His first novel, Tap-Tap Island (1921), was first serialised in the Melbourne Leader, his second, The Lost Valley(1921), was a prize-winner in the C.J. De Garis competition; his third was Overdue (1925). After experience in auctioneering and book-selling, Walsh visited England in 1925 to negotiate with publishers, returned to Victoria but left for permanent residence in England in 1929. Pseudonyms he used include 'John Carew', 'George M. White' and 'H. Haverstock Hill'; he also wrote in collaboration with E.J. Blythe and Audry Baldwin. His first three novels, which are adventure romances, are set in New Guinea and western Victoria and he also wrote two Australian detective stories, The Man behind the Curtain (1927) and The League of Missing Men (1927). The five adventure stories that he wrote under the pseudonym 'H. Haverstock Hill', Anne of Flying Gap(1926), Spoil of the Desert (1927), The Golden Isle (1928), Golden Harvest (1929) and The Secret of the Crater (1930), range between New Guinea, the Northern Territory, Gippsland, WA and the South Seas.