Theo of Golden is a novel by American author Allen Levi. It was first self-published in 2023 and later republished by Atria Books, an imprint of Simon & Schuster, in 2025. The novel later appeared on The New York Times Best Seller list. No. 1 on The New York Times Fiction best seller list for 2 weeks, from the issue of August 9, 2026 (Atria Books). Wiki link