Over the past few years, Ali Hazelwood has become one of the biggest names in romance fiction. Her novels dominate bestseller lists, flood social media feeds, and constantly appear in recommendation videos across BookTok and BookTube. Readers have embraced her unique blend of witty banter, emotionally vulnerable characters, intelligent heroines, and slow-burn romance.
What truly separates Hazelwood from many contemporary romance authors is her ability to combine humor and heart with academic and scientific settings. Her protagonists are often women working in STEM fields, and that gives her stories a refreshing identity within the romance genre. The chemistry between characters feels believable, the emotional stakes are genuine, and the romantic tension is almost always excellent.
Of course, Hazelwood is not limited to contemporary romance anymore. She has expanded into paranormal romance and fantasy while maintaining the charm and emotional depth that made readers fall in love with her writing in the first place.
If you are trying to figure out where to start with Ali Hazelwood or simply want to add more of her books to your reading list, then you are in the right place. These are seven Ali Hazelwood books readers absolutely need to check out.
Ali Hazelwood Books Romance Readers Need To Check Out
The Love Hypothesis
No discussion about Ali Hazelwood is complete without mentioning The Love Hypothesis. This is the novel that launched her into superstardom and turned her into one of the defining romance authors of the modern era.
The story follows Olive Smith, a PhD candidate who finds herself fake dating the intimidating and notoriously difficult professor Adam Carlsen. What begins as a ridiculous attempt to convince her best friend that she has moved on from an ex quickly evolves into something far more complicated.
The fake dating trope has existed forever in romance fiction, but Hazelwood makes it feel fresh. Olive and Adam have incredible chemistry from the very beginning, and their dynamic carries the entire novel. Adam initially appears cold and emotionally distant, but Hazelwood slowly peels back the layers of his personality in a way that makes readers completely invested in the relationship.
One of the reasons this novel became such a phenomenon is because it perfectly balances humor and emotional sincerity. The dialogue is sharp and funny, but the emotional moments hit surprisingly hard. Hazelwood also excels at writing romantic tension. Much of the book thrives on lingering looks, awkward interactions, and emotional restraint.
Beyond the romance, the academic setting gives the novel a distinct personality. The focus on women navigating male-dominated scientific spaces adds another layer to the story and makes Olive feel like a fully realized character instead of simply a romance protagonist.
If you only read one Ali Hazelwood novel, this should probably be the one.
Love on the Brain
After the success of The Love Hypothesis, expectations for Hazelwood’s next novel were incredibly high. Thankfully, Love on the Brain delivered another entertaining STEM-centered romance filled with banter, tension, and emotional vulnerability.
The novel follows Bee Königswasser, a neuroscientist who lands a dream opportunity working with NASA. Unfortunately for her, she has to work alongside Levi Ward, a man she believes absolutely despises her.
Naturally, things are not exactly what they seem.
This novel leans heavily into the enemies-to-lovers trope, and Hazelwood handles it extremely well. Bee and Levi constantly clash, but underneath the sarcasm and frustration is obvious attraction. The tension between them drives the story forward and keeps readers invested.
Bee is also one of Hazelwood’s strongest protagonists. She is intelligent, awkward, passionate, and deeply relatable. Her love for science feels authentic, and her emotional struggles give the story weight.
Levi, meanwhile, fits the classic Ali Hazelwood love-interest mold: quiet, observant, emotionally reserved, and secretly obsessed with the heroine. Yet Hazelwood writes these male leads so effectively that readers continue falling for them every single time.
The NASA backdrop also helps the novel stand out. The scientific environment never overwhelms the romance, but it adds flavor and personality to the story.
If you loved The Love Hypothesis, then Love on the Brain should immediately go onto your reading list.
Love, Theoretically

By the time Love, Theoretically arrived, Ali Hazelwood had firmly established her style. Fortunately, this novel proves that she still knows how to keep her stories emotionally engaging and entertaining.
The book centers on Elsie Hannaway, a theoretical physicist who spends her life people-pleasing and adapting herself to fit whatever situation she is in. Things become complicated when she crosses paths with Jack Smith, a physicist connected to a career opportunity that could change her future.
What makes this novel particularly compelling is Elsie herself. She may be one of Hazelwood’s most emotionally complex protagonists. Her struggle with identity and self-worth feels very real, and Hazelwood explores those themes without sacrificing the romance.
The relationship between Elsie and Jack develops slowly, which works perfectly for the story. Their chemistry builds through conversations, misunderstandings, and emotional honesty rather than relying entirely on physical attraction.
Hazelwood also deserves credit for making academic rivalries genuinely entertaining. The discussions surrounding theoretical physics and academia give the story texture while still remaining accessible to readers who know absolutely nothing about science.
This is arguably one of Hazelwood’s most emotionally mature novels, and many fans consider it her strongest work.
Not in Love
Not in Love marked a noticeable shift in tone for Ali Hazelwood. While many of her earlier novels leaned heavily into romantic comedy, this one feels more emotionally intense and considerably steamier.
The story follows Rue Siebert, a biotech engineer who becomes involved with Eli Killgore, a businessman connected to a hostile corporate takeover.
Unlike some of Hazelwood’s previous heroines, Rue is emotionally guarded and highly controlled. She keeps people at a distance and avoids vulnerability whenever possible. That emotional wall becomes central to the novel as her relationship with Eli deepens.
What makes Not in Love stand out is its emotional complexity. This is not simply a lighthearted romance filled with awkward comedy and quirky misunderstandings. The relationship feels messier, more adult, and more emotionally layered.
Hazelwood also turns up the intensity significantly in this novel. Readers looking for a spicier Ali Hazelwood book will probably enjoy this one the most.
At the same time, the emotional core remains strong. Beneath the physical attraction is a story about trust, fear, loneliness, and emotional intimacy.
This novel demonstrates that Hazelwood is capable of evolving beyond the formula many readers associated with her earlier books.
Bride
One of the most surprising moments in Ali Hazelwood’s career came when she released Bride, a paranormal romance featuring vampires and werewolves.
At first glance, the premise feels completely different from her previous novels. Yet once you begin reading, it still unmistakably feels like an Ali Hazelwood book.
The story follows Misery Lark, the daughter of a powerful vampire councilman, who enters a political marriage with Lowe Moreland, an alpha werewolf.
The paranormal setting allows Hazelwood to explore a darker and more dangerous atmosphere while still maintaining her trademark humor and romantic tension. The world-building is surprisingly strong, and the political conflict between vampires and werewolves adds genuine stakes to the story.
What truly makes the novel work, however, is the relationship between Misery and Lowe. Their dynamic is filled with distrust, attraction, emotional conflict, and eventually tenderness.
Hazelwood adapts extremely well to the paranormal romance genre. She captures the possessive intensity and heightened emotions readers expect from fantasy romance while still grounding the characters emotionally.
Bride also introduced Hazelwood to an entirely new audience of fantasy romance readers. If you enjoy authors like Sarah J. Maas or paranormal romance in general, this novel is absolutely worth checking out.
Check & Mate
Although Ali Hazelwood is primarily known for adult romance, Check & Mate showed that she could successfully step into the young adult genre as well.
The novel follows Mallory Greenleaf, a teenager who wants nothing to do with chess after it caused major problems in her family life. However, after reluctantly entering a charity tournament, she unexpectedly defeats Nolan Sawyer, the reigning world champion.
Naturally, chaos follows.
What makes this novel enjoyable is the way Hazelwood transforms chess into something exciting and emotionally engaging. Even readers who know nothing about the game can become invested in the competition and strategy.
Mallory is a compelling protagonist because of how much pressure she carries. Her family responsibilities, personal fears, and complicated relationship with chess give the story emotional depth beyond the romance.
Meanwhile, Nolan continues Hazelwood’s tradition of writing male leads who appear intimidating but are actually deeply caring underneath the surface.
The romance here is sweeter and more restrained compared to Hazelwood’s adult novels, but the chemistry still works extremely well.
For readers looking for a lighter Ali Hazelwood book or a good entry point into YA romance, Check & Mate is a strong choice.
Love on the Brain
Yes, it deserves another mention simply because it perfectly represents what readers love most about Ali Hazelwood.
Her ability to blend humor, science, emotional vulnerability, and romance into an addictive reading experience is genuinely impressive. Very few authors have managed to dominate modern romance discussions the way Hazelwood has over the past several years.
Whether she is writing fake dating in academia, rival scientists working for NASA, paranormal political marriages, or competitive chess prodigies, Hazelwood consistently understands what readers want from romance fiction: emotional investment, believable chemistry, and characters worth rooting for.
That consistency is the reason her books continue to sell at an incredible rate and why readers eagerly anticipate every new release.
Final Thoughts
Ali Hazelwood has become one of the defining romance authors of this generation. Her books are funny, emotional, addictive, and consistently entertaining. More importantly, they offer readers memorable characters and romances that actually feel earned.
Whether you are interested in contemporary romance, STEM-centered love stories, paranormal romance, or young adult fiction, Hazelwood has something worth reading.
If you are completely new to her work, The Love Hypothesis remains the best place to start. But honestly, you cannot go wrong with any of the books on this list.
Her stories continue to resonate with readers because they combine escapism with emotional authenticity. That balance is difficult to achieve, and it is exactly why Ali Hazelwood remains one of the biggest names in modern romance fiction. Until next time, happy reading!
Follow us on Instagram and Facebook
Posts
Discover more from Books of Brilliance
Subscribe to get the latest posts sent to your email.









