Looking for the best September 2025 book releases? From highly anticipated sequels to buzzy debuts, this list features all the must-read new books coming out in September 2025 across fantasy, romance, thriller, and more.

Discover the best new books coming in August 2025—from thrilling fantasy finales to viral romance, suspense, and standout debuts. Find your next favorite read now.

This book took me by surprise—in a quieter, more bittersweet way than I expected. It’s not quite the romance I thought I was getting, but it’s something else entirely: thoughtful, emotional, and unexpectedly moving. Read the full review here.