The Ray Allen Billington Prize is awarded biennially by the Organization of American Historians to the author of the best book on the history of native and/or settler peoples in frontier, border, and borderland zones of intercultural contact in any century to the present, including works that address the legacies of those zones. Each entry must be published during the two-year period January 1, 2023 through December 31, 2024. One copy of each entry, clearly labeled "2025 Ray Allen Billington Prize Entry," must be mailed directly to the committee members listed on the award's website. Bound page proofs may be used for books to be published after October 1, 2024 and before January 1, 2025. If a bound page proof is submitted, a bound copy of the book must be sent to each member of the committee postmarked no later than January 7, 2025. Please visit the award's website or contact the Organization of American Historians for more information.