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• A Rowling-adjacent success story in the making May 31, 2025
  In our previous post, The Factors Fueling a Collectible Author, we attempted to identify the most salient factors behind J.K. Rowling’s impressive collectible trajectory. In collaboration with affiliates at Rarebooks.AI, we used the 12 factors identified to build a predictive analytical model. It is designed to identify authors who have the potential to become collectible […]
  jim
• The Factors Fueling a Collectible Author May 18, 2025
  It usually takes decades for a book to gain significant collectible value in the rare book market. That wasn’t the case for the most successful author of this century, J.K. Rowling. Her first book, Harry Potter and the Philosopher’s Stone, appeared on June 30, 1997. By the time her third volume, Harry Potter and the […]
  jim