The Black Gang by H.C. McNeile

The Black Gang by H.C. McNeile, written under the pseudonym "Sapper," is the second novel in the Bulldog Drummond series. Published in 1922, the book follows Drummond as he forms a covert group known as "The Black Gang." This organization uses unconventional and often brutal methods to combat left-wing movements in England.

The story also introduces Carl Peterson, Drummond's nemesis, who secretly orchestrates these movements and comes to England in disguise to challenge the gang. It's a thrilling work that blends crime fiction with political intrigue and showcases Sapper's signature adventurous style.