Reading order · 6 books · 2021 to 2025 · Set in various US campuses
STEM romances Books in Order
Ali Hazelwood, herself a neuroscientist, writes funny, warm romances about women in science, technology, engineering and maths. The books are connected by setting and side characters but each stands alone.
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Series facts
- Books
- 6
- Published
- 2021 to 2025
- First book
- The Love Hypothesis
- Latest
- Problematic Summer Romance (2025)
- Setting
- Set in various US campuses
The reading order
Every STEM romances book in publication order. Choose a title for its cast and summary.
6 books · Set in various US campuses
- 1The Love Hypothesis2021With Olive Smith and Adam CarlsenOlive Smith, a PhD student in biology at Stanford, kisses the first man she sees to convince her best friend she has moved on.Buy on Amazon
- 2Love on the Brain2022With Bee Königswasser and Levi WardBee Königswasser, a neuroscientist, is offered a dream project at NASA, but has to co-lead it with Levi Ward, an engineer who she is sure has hated her since graduate school.Buy on Amazon
- 3Love, Theoretically2023With Elsie Hannaway and Jack SmithElsie Hannaway, a theoretical physicist on a poor wage, earns extra money as a fake girlfriend for hire.Buy on Amazon
- 4Not in Love2024With Rue Siebert and Eli KillgoreRue Siebert, a scientist at a food technology company, is drawn to Eli Killgore, the man trying to take her company over.Buy on Amazon
- 5Deep End2025With Scarlett Vandermolen and Lukas BlomqvistScarlett Vandermolen, a diver at Stanford recovering from injury, makes an unusual arrangement with Lukas Blomqvist, a star of the swimming team.Buy on Amazon
- 6Problematic Summer Romance2025With Maya Killgore and Conor HarknessStuck at a villa in Sicily for her brother's destination wedding, Maya Killgore suspects his best friend Conor Harkness is hiding something, and decides a summer fling might be just what she needs.Buy on Amazon
Do you need to read them in order?
Each book can be read on its own. Start with The Love Hypothesis.
Who appears in which book
The series’ main characters, book by book. Lead means the book is told around them; minor covers cameos.
| Book | Olive Smith | Adam Carlsen | Bee Königswasser | Levi Ward | Elsie Hannaway | Jack Smith | Rue Siebert | Eli Killgore |
|---|---|---|---|---|---|---|---|---|
| 1 The Love Hypothesis | LLead | LLead | ||||||
| 2 Love on the Brain | LLead | LLead | ||||||
| 3 Love, Theoretically | LLead | LLead | ||||||
| 4 Not in Love | LLead | LLead | ||||||
| 5 Deep End | ||||||||
| 6 Problematic Summer Romance |
Characters in the STEM romances books
12 characters from Ali Hazelwood’s chart, with the number of STEM romances books each appears in.
| Character | Books | First in this series |
|---|---|---|
| Olive SmithBiology PhD student | 1 | The Love Hypothesis 2021 |
| Adam CarlsenYoung star professor | 1 | The Love Hypothesis 2021 |
| Bee KönigswasserNeuroscientist at NASA | 1 | Love on the Brain 2022 |
| Levi WardEngineer and Bee's old rival | 1 | Love on the Brain 2022 |
| Elsie HannawayTheoretical physicist and fake girlfriend | 1 | Love, Theoretically 2023 |
| Jack SmithExperimental physicist | 1 | Love, Theoretically 2023 |
| Rue SiebertFood scientist | 1 | Not in Love 2024 |
| Eli KillgoreRival investor | 1 | Not in Love 2024 |
| Scarlett VandermolenCollege diver | 1 | Deep End 2025 |
| Lukas BlomqvistChampion swimmer | 1 | Deep End 2025 |
| Maya KillgoreEli's younger sister | 1 | Problematic Summer Romance 2025 |
| Conor HarknessHer brother's best friend | 1 | Problematic Summer Romance 2025 |