Ali Hazelwood Books in Order
Ali Hazelwood went from anonymous fanfic writer to the defining voice of STEM romance in five years: The Love Hypothesis (2021) - originally Star Wars fan fiction - became a TikTok monument, and every book since has hit the New York Times list. Her shelf now runs three lanes: the contemporary STEM romances, the Bride paranormal line that began as a dare, and the YA detour (Check & Mate). 2026 is her strangest year yet - The Love Hypothesis became a Prime film in September 2026, and her next book is Bound & Unbound, a two-novellas-in-one tête-bêche flip-book arriving October 6, 2026. The order question is mostly pick-any-book; the one hard rule is Bride before Mate, and this page gives the whole shelf with the lanes marked (2021–present).
Where to start
The Love Hypothesis (2021), the debut and still the biggest door - now with a film version to match. Check & Mate (2023) is the clean start for readers who want zero spice; Bride (2024) is the wrong first book only because it promises a paranormal line the contemporaries do not continue.
The complete list
Tick the boxes off as you read, or for the bookshelf.
| Year | Title | Series / type | |
|---|---|---|---|
| 2021 | The Love Hypothesis | #1 — the fanfic-to-famous debut; now a Prime film | |
| 2021 | Love on the Brain | #2 — NASA rivals | |
| 2022 | Loathe to Love You | The three STEMinist novellas, collected | |
| 2023 | The Love Theoretically | The physics-of-love standalone | |
| 2023 | Check & Mate | YA — the chess one; zero-spice door | |
| 2024 | Bride | Paranormal line #1 — vampires and were-owls | |
| 2024 | Not in Love | The forbidden-workplace standalone | |
| 2025 | The Deep End | Feb 2025 — her first #1 NYT bestseller | |
| 2025 | A Problematic Summer Romance | Jul 2025 — the summer standalone | |
| 2025 | Mate | Paranormal line #2 · Oct 2025 — the only sequel | |
| 2026 | Bound & Unbound | Oct 6 2026 — the two-novella flip book |
Does the reading order matter?
Standalones, with two exceptions: the three STEMinist novellas collected in Loathe to Love You (2022), and Bride (2024) before Mate (October 2025) - the only direct sequel pair. Not in Love (2024) and The Deep End (2025) return to contemporary. The 2026 wrinkle: Bound was released audio-first in November 2025 on Spotify; the print edition, Bound & Unbound (October 6, 2026), flips physical conventions - two novellas printed head-to-tail in one binding. It slots after Mate in publication order but is not a sequel to anything.
Which one is the best?
The Love Hypothesis (2021), doubly canonical since the Prime film; Bride (2024), the genre pivot that became a #1 bestseller; and The Deep End (2025), her first #1 NYT debut week.
Related guides
Readers finishing this shelf usually want the map next door: Emily Henry books in order, Freida McFadden books in order, Lisa Jewell books in order. Every guide follows the same format — the shelf, the entry point, the honest answer about order.
Make it a project
Pick a session size and let the days accumulate — at the pace our reading speed test measures, most shelves above clear in a few weeks of half-hours. Every guide on the books in order shelf follows this same format, and when a book lands, its 8-question quiz is waiting on the original book quiz.
Frequently asked questions
What order should you read Ali Hazelwood books in?
Any order, except Bride → Mate. Bound & Unbound (Oct 2026) is the next print release.
Where should I start with Ali Hazelwood?
The Love Hypothesis (2021). Check & Mate for YA-first readers. Never Bride before you know which lane you want.
How many Ali Hazelwood books are there?
Nine novels plus the novella collections through Mate (October 2025); Bound & Unbound lands October 6, 2026, and a Hot for Slayer novella follows in late 2026. As of October 2026 this list is current.
What was Ali Hazelwood's first book?
The Love Hypothesis (2021) — the first row of the list above.