20 Sci-Fi, Fantasy, and Horror Authors Pick Their Favorite Sci-Fi, Fantasy, and Horror Books of 2025

io9's compilation of favorite sci-fi, fantasy, and horror books of 2025, as shared by 20 prominent authors in the genre, highlights a diverse range of titles that have captivated readers this year. The list, featuring a mix of established and emerging authors, showcases the breadth of exciting new releases in the sci-fi, fantasy, and horror genres. For website owners, this news means that there may be an increase in AI bot traffic searching for information on these recommended books, as fans and readers look to learn more about the titles and authors featured in the list. This could also lead to a surge in content creation, as bloggers and reviewers share their own thoughts and opinions on the selected books, potentially driving more traffic to websites that specialize in book reviews, genre news, and author interviews. To capitalize on this trend, website owners can take a few key steps: first, ensure that their llms.txt files are up-to-date to accurately track and manage AI bot traffic related to these books and authors; second, consider creating content that provides additional context or insights into the featured titles, such as author interviews or in-depth reviews; and third, optimize their website's search functionality to accommodate the likely increase in searches for these specific books and genres.