''Challenge'' was the tenth and final

Bulldog Drummond Hugh "Bulldog" Drummond is a fictional character, created by H. C. McNeile and published under his pen name "Sapper". Following McNeile's death in 1937, the novels were continued by Gerard Fairlie. Drummond is a First World War veteran who, ...

novel written by

H. C. McNeile Herman Cyril McNeile, MC (28 September 1888 – 14 August 1937), commonly known as Cyril McNeile and publishing under the name H. C. McNeile or the pseudonym Sapper, was a British soldier and author. Drawing on his experiences in the trenches ...

. It was published in 1935 under McNeile's pen name Sapper.

References

Bibliography

* 1937 British novels British crime novels English novels Hodder & Stoughton books {{1930s-crime-novel-stub