The Love Hypothesis Audiobook By Ali Hazelwood cover art

The Love Hypothesis

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The Love Hypothesis

By: Ali Hazelwood
Narrated by: Callie Dalton, Teddy Hamilton
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The Instant New York Times Bestseller and TikTok Sensation!

When a fake relationship between scientists meets the irresistible force of attraction, it throws one woman's carefully calculated theories on love into chaos.


As a third-year Ph.D. candidate, Olive Smith doesn't believe in lasting romantic relationships--but her best friend does, and that's what got her into this situation. Convincing Anh that Olive is dating and well on her way to a happily ever after was always going to take more than hand-wavy Jedi mind tricks: Scientists require proof. So, like any self-respecting biologist, Olive panics and kisses the first man she sees.

That man is none other than Adam Carlsen, a young hotshot professor--and well-known ass. Which is why Olive is positively floored when Stanford's reigning lab tyrant agrees to keep her charade a secret and be her fake boyfriend. But when a big science conference goes haywire, putting Olive's career on the Bunsen burner, Adam surprises her again with his unyielding support and even more unyielding...six-pack abs.

Suddenly their little experiment feels dangerously close to combustion. And Olive discovers that the only thing more complicated than a hypothesis on love is putting her own heart under the microscope.

Accolades & Awards

Romance Essentials
Most Popular
#BookTok
#BookTok Contemporary Contemporary Romance Romance Romance Essentials Romantic Comedy Comedy Funny Feel-Good Witty Fake Relationship Heartfelt College Romance Cute Romance
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Critic reviews

An Indie Next Pick!

"A literary breakthrough…The Love Hypothesis is a self-assured debut, and we hypothesize it's just the first bit of greatness we'll see from an author who somehow has the audacity to be both an academic powerhouse and divinely talented novelist."—Entertainment Weekly

“Contemporary romance's unicorn: the elusive marriage of deeply brainy and delightfully escapist...The Love Hypothesis has wild commercial appeal but the quieter secret is that there is a specific audience, made up of all of the Olives in the world, who have deeply, ardently waited for this exact book.”—Christina Lauren, New York Times bestselling author

“Funny, sexy and smart, Ali Hazelwood did a terrific job with The Love Hypothesis.”—Mariana Zapata, New York Times bestselling author

“This tackles one of my favorite tropes—Grumpy meets Sunshine—in a fun and utterly endearing way...I loved the nods towards fandom and romance novels, and I couldn't put it down. Highly recommended!”—Jessica Clare, New York Times bestselling author

"Pure slow-burning gold with lots of chemistry."—Popsugar

"A beautifully written romantic comedy with a heroine you will instantly fall in love with, The Love Hypothesis is destined to earn a place on your keeper shelf."—Elizabeth Everett, author of A Lady's Formula for Love

"Smart, witty dialog and a diverse cast of likable secondary characters...A realistic, amusing novel that readers won’t be able to put down."—Library Journal, starred review

"Hilarious and heartwarming, The Love Hypothesis is romantic comedy at its best...a perfect amalgamation of sex and science, sure to appeal to readers of Christina Lauren or Abby Jimenez."—Shelf Awareness

"With whip-smart and endearing characters, snappy prose, and a quirky take on a favorite trope, Hazelwood convincingly navigates the fraught shoals of academia...This smart, sexy contemporary should delight a wide swath of romance lovers."—Publishers Weekly

Featured Article: The Audible Essentials—The Top 100 Romance Listens of All Time


With thousands of romance titles releasing every year across a huge swath of subgenres, it’s a tall order to choose the best among the bunch. So our romance editors listened, debated, and listened some more to bring you this list of the 100 must-hear romances on Audible. From Regency to contemporary, love at first sight to second-chance romance and every trope in between, there’s a story here for every romance fan.

Editor's Pick

The scientific method meets romance (with a side of fake dating
Are you looking for a fun, feel-good story that you won’t be able to hit pause on? You just found it. If I didn’t have to sleep, I easily could have listened to The Love Hypothesis in one sitting. Featuring a third-year PhD candidate, a broody professor with a heart of gold, and their fake relationship, this is one of the best romances of the year. Everything about Olive’s and Adam’s lives feels so warm, friendly, and real—all while shining a light on the difficulties of being a woman in the hypermasculine world of STEM. Oh, and did I mention that author Ali Hazelwood is also a professor with a PhD in neuroscience? There’s truly nothing about this listen to dislike. Do yourself a favor and pick it up ASAP, because I think everyone is going to be gushing over this one. —Michael C., Audible Editor

Best of #BookTok on Audible Listen to what everyone’s raving about
Engaging Romance • Witty Banter • Excellent Narration • Authentic Academia • Slow-burn Chemistry • Perfect Pacing

Highly rated for:

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I was so engrossed from the very beginning that I didn't want to stop listening! This will be a favorite!

Amazing!!

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Pure, joyful entertainment. Sharp and funny, lovely characters, literally couldn't put it down and finished it in basically one day.

Couldn't stop listening

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I could not stop listening to this book! It was everything I wanted it to be. Very cute story with lots of humor along side some serious events. If you love a good happy ending after so much misunderstandings then you will love this book as much as I did!

Love for Love Hypothesis

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Amazing. Surprising. Intelligent. Inspiring. Encouraging. Did I say amazing? I didn’t know I needed this novel and I am so grateful for every word of it. The author, a scientist herself poured herself into this book and you can feel it with every word. Callie performed this perfectly.

Female scientist and a love hypothesis…perfection!

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This book was hard to put done!! If you love romance then this is the right book to start with!

Fav❤️❤️

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