Here is the complete, unabridged text of Edgar Wallace's 1917 thriller Kate plus 10, presented with a fresh introduction and reader's notes that illuminate the novel's historical context and enduring appeal. When a daring female mastermind assembles a gang of ten to pull off an audacious crime, Inspector T.B. Smith finds himself in a battle of wits that careens from London's foggy streets to the English countryside. Wallace's trademark energy, clever dialogue, and breakneck pacing make this a landmark of early crime fiction. This edition preserves every word of the original publication, offering a faithful reading experience for both newcomers and devoted fans. The introduction explores Wallace's life, the novel's place in his oeuvre, and its influence on the genre. With helpful annotations and a glossary of period terms, this is the definitive edition for students and enthusiasts alike. Part of The Founding Texts Library.