Pearls of Peril — G.H. Teed

SEXTON BLAKE solves a tangled problem, smashes a gang frame-up, in a whirl of rioting action . . . Complete. A Complete Story of Sexton Blake and Mademoiselle Roxane. A mysterious burglar -and, in the morning, nothing missing! The motive was the mystery. Sexton Blake found the one; solved the other. The answer . . .? It lay in yet another fight in the war between the Martinel gang and Mlle. Roxane.