Marie Belloc Lowndes 
What Timmy Did 

Excerpt: "…, then an astounding thing had happened. Godfrey had had a fortune left him by an eccentric old man in whose employment he had been as secretary for a while. His luck still holding, he had gone through most of the war, including Gallipoli, with only one wound, which had left no ill effects. A man so fortunate ought not to have neglected his old friends."