“All the things that make you different make you perfect.”
The Kiss Quotient series by Helen Hoang has captured the hearts of romance readers right across the world with its smart, heartfelt stories and swoon-worthy characters. Known for blending humour, emotion, and steamy romance, Hoang’s novels explore love, self-discovery, and the complexities of human relationships in a refreshingly modern way. If you’re diving into this series, you may be wondering: Does the order really matter? The answer is yes – reading the books in the recommended order helps you follow character arcs, catch subtle Easter eggs, and fully appreciate the interconnected stories that make each novel more satisfying. Whether you’re a fan of rom-coms or contemporary romance, knowing the best reading order ensures you experience Helen Hoang’s series precisely as it was meant to be enjoyed.
Quick Overview Of The Series
Helen Hoang’s Kiss Quotient series currently includes the following books, each offering a mix of romance, self-discovery, and emotional depth. Below is a quick guide to help you familiarise yourself with the series:
- The Kiss Quotient (2018)
Synopsis: Stella Lane, a brilliant woman with Asperger’s, hires an escort to teach her about relationships, only to learn that love can’t always be planned.
- The Bride Test (2019)
Synopsis: Khai Diep, who struggles with intimacy, meets Esme, a charming woman from Vietnam, and together they navigate love, familial expectations, and personal growth.
- The Heart Principle (2021)
Synopsis: Quan Diep’s sister, Anna, faces heartbreak and self-discovery when she meets a renowned cellist, learning that opening her heart means taking risks.
What Order Should You Read Them In?
For The Kiss Quotient series, the recommended reading order matches the publication order:
- The Kiss Quotient
- The Bride Test
- The Heart Principle
Reading them in this order allows you to follow the overarching character connections, particularly within the Diep family, and catch subtle references that make the series even more rewarding.
The Kiss Quotient Books In Order
The Kiss Quotient (2018)
Stella Lane thinks math is the only thing that unites the universe. She comes up with algorithms to predict customer purchases – a job that has given her more money than she knows what to do with, and way less experience in the dating department than the average thirty-year-old. It doesn’t help that Stella has Asperger’s. Her conclusion? She needs a lot of practice with a professional. Which is why she hires Michael Phan.
The Vietnamese and Swedish stunner can’t afford to turn down Stella’s offer and agrees to help her check off all the boxes on her lesson plan. Before long, Stella not only learns to appreciate his kisses, but to crave all the other things he’s making her feel. Soon, their no-nonsense partnership begins to make a strange sort of sense. And the pattern that emerges will convince Stella that love is the best kind of logic.
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The Bride Test (2019)
Khai Diep has no feelings. Well, he feels irritation when people move his things or contentment when ledgers balance down to the penny, but not big, important emotions – like grief. And love. He thinks he’s defective. His family knows better – that his autism means he just processes emotions differently. When he steadfastly avoids relationships, his mother takes matters into her own hands and returns to Vietnam to find him the perfect bride.
As a mixed-race girl living in the slums of Ho Chi Minh City, Esme Tran has always felt out of place. When the opportunity arises to come to America and meet a potential husband, she can’t turn it down, believing it to be the big break her family needs. Seducing Khai, however, doesn’t go as planned. Esme’s lessons in love seem to be working, but only for herself. She’s haplessly smitten with a man who’s convinced he can never return her affection.
The Heart Principle (2021)
When violinist Anna Sun accidentally achieves career success with a viral YouTube video, she finds herself incapacitated and burned out from her attempts to replicate that moment. And when her longtime boyfriend announces he wants an open relationship before making a final commitment, a hurt and angry Anna decides that if he wants an open relationship, she does too. Translation: she’s going to embark on a string of one-night stands. The more unacceptable the men, the better.
That’s where tattooed, motorcycle-riding Quan Diep comes in. Their first attempt at a one-night stand fails, as does their second, and their third. That’s because being with Quan is more than just sex – he accepts Anna on an unconditional level that she herself has just begun to understand. However, when tragedy hits, Anna finds herself fulfilling a role she is ill-suited for. She and Quan have to fight for their chance at love, but to do that, they must also fight for themselves.
FAQs
Do I Need to Read The Kiss Quotient First?
Yep. The Kiss Quotient introduces key characters and themes that continue on throughout the series, making it the ideal starting point.
Are the Books Standalone?
Each novel can technically be read on its own, but reading them in order enhances the understanding of character connections and recurring storylines.
Will I Miss Anything if I Skip a Book?
Skipping a book might cause you to miss important character development and references to past events, which can reduce the overall enjoyment of the series.
Part-time reader, part-time rambler, and full-time Horror enthusiast, James has been writing for What We Reading since 2022. His earliest reading memories involved Historical Fiction, Fantasy and Horror tales, which he has continued to take with him to this day. James’ favourite books include The Last (Hanna Jameson), The Troop (Nick Cutter) and Chasing The Boogeyman (Richard Chizmar).
