Top 3 Bestselling British Pre-teen Book Series

Ranked by total copies sold in the UK market, these series define the modern middle-grade publishing landscape alongside the Lottie Brooks phenomenon.

The top 3

  1. 1. Diary of a Wimpy Kid: Jeff Kinney’s global juggernaut remains the undisputed king of middle-grade humor, with over 300 million copies sold worldwide since 2007. Diary of a Wimpy Kid
  2. 2. The Extremely Embarrassing Life of Lottie Brooks: Katie Kirby’s series has climbed to become one of the fastest-growing franchises in the UK, often topping children's charts since its 2021 debut. The Extremely Embarrassing Life of Lottie Brooks
  3. 3. Tom Gates: Liz Pichon’s illustrated series follows the daily doodles and mishaps of a schoolboy, maintaining massive cultural relevance in British schools for over a decade. Tom Gates

Sources

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