Instagram/London Book Fair Celebrity London Book Fair's final year at Olympia. Industry optimism returns as agents hunt for the next Normal People or Lessons in Chemistry hit. April 20, 2026 AceShowbiz - Thousands of American and European agents, producers, and executives are gathering today at Kensington Olympia for the expansive London Book Fair. This event marks a significant occasion, as it will be the last time the fair takes place at Olympia before relocating to the ExCel centre in 2027. There is a growing sense of cautious optimism within the TV and film sectors this year.