Eleanor J. Walker was a member of the Methodist mission at Dobu in the D'Entrecasteaux Islands of Papua New Guinea (then called British New Guinea). The mission was established in June 1891. For details, see George Brown, D.D., Pioneer Missionary and Explorer : An Autobiography, London, 1908, pp485-92.

The diary describes how the diarist came to join the mission and gives an account of her life at Dobu.