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Book Output Topped Four Million in 2025

The total number of books published in the U.S. in 2025 with ISBN numbers jumped 32.5% over 2024, to more than four million books, according to statistics compiled by Bowker.

The increase was led by self-published works, for which the number of print and e-books (including those without BISAC codes) soared 38.7% to more than 3.5 million from 2.5 million in 2024.

Book Output Topped Four Million in 2025

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