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The Ex-Perimento
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  • Published: 26 February 2026
  • ISBN: 9781529956962
  • Imprint: Transworld Digital
  • Format: EBook
  • Pages: 336
Categories:

The Ex-Perimento

  • Maria J. Morillo
Formats & editions
Paperback
23 June 2026
EBook
26 Feb 2026
Audiobook
26 Feb 2026
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Turns out the relationship coach needs some coaching herself. . . The Bold Type meets How to Lose a Guy in 10 Days in this flirty, sexy and hilarious opposites attract rom-com.

Relationship coach Marianto has her life perfectly mapped out—a long-term relationship with her dream man Alejandro, and a coveted job at Latin America’s biggest magazine. Her future is set, she’s made sure of it. And now, after four years of dating, Marianto is certain that Alejandro will ask her to marry him.

Things don't go as planned when a perceived proposal ends in a break up and then everything falls apart. Within hours, Marianto loses not just her boyfriend but her job too.

Heartbroken yet ever determined, she sets out to win both of them back. From strategic Instagram posts to \"accidental\" run ins, Marianto documents each move to earn Alejandro’s affection in a bid to write the article of a lifetime: How to get your ex back. If she can pull this off, she may just get her life back on track.

Enter Colombian heartthrob Simón Arreaza who discovers Marianto's list of romantic experiments and decides to step in. Immediately, Marianto begins to see results. Turns out the relationship coach needs some coaching herself.

As the lines of their alliance blur, Marianto and Simón find themselves irresistibly drawn to each other and caught in a whirlwind of unexpected romance.

How can she win back her ex when she's falling for someone else? And what happens if Alejandro wants her back?

Will she be brave enough to pick Simón over the man of her dreams?
  • Published: 26 February 2026
  • ISBN: 9781529956962
  • Imprint: Transworld Digital
  • Format: EBook
  • Pages: 336
Categories:

Praise for The Ex-Perimento

I will go to war for this book . . . It’s funny, swoony, and made me feel so nostalgic with its incredible sense of place. Their chemistry is delicious.

GABRIELA ROMERO LACRUZ, No. 1 Sunday Times bestselling author of The Sun and the Void

A full-hearted love letter to type-A women and the men who fall for them . . . The Ex-Perimento is a must-read for Abby Jimenez fans. You’ll swoon for this perfecto second chance at first love.

JESSICA PARRA, author of The Quince Project

The Ex-Perimento is a fresh, fun twist on a celebrity romcom! . . . Deliciously swoony and full of humor

JESSICA JAMES, author of For One Night Only

Full of corazón, chaos, and delightfully bad decisions, The Ex-Perimento is a romcom that proves the best-laid plans are made to unravel . . . laugh-out-loud funny, irresistibly romantic, and a reminder that the heart has a habit of going off script.

CAROLINA FLOREZ-CERCHIARO, author of Bochica

Wildly, wonderfully, incandescently romantic

SARAH MACLEAN, New York Times bestselling author

The Ex-Perimento is such a vibrant and refreshing debut! Maria J. Morillo made this celebrity romance feel new and truly original . . . An author you must have on your radar!

MALLORY MARLOWE, USA Today bestselling author of Love at First Sighting

The Ex-Perimento is a charming, electric debut that will leave the reader feeling as if they've watched their favourite 2000s rom-com for the first time all over again. I loved this book and cannot wait to read whatever Morillo writes next!

HANNAH BONAM-YOUNG, New York Times bestselling author