"Equal parts sweet and sexy, Forty Love is sure to be a smash with readers who love complex women and second shots at love." 

–Kate Hash, author of Gracie Harris is Under Construction

Forty Love

"Forty Love brims with optimism, found friendship, and a swoon-worthy second-chance romance. Costello serves up a charming and realistic romance that will have readers cheering for both the women’s B team and the promise of love. Forty Love is a sure win. Highly recommended." 

—Ilana Long, author of Pickleballers

A fun, sexy rom-com about finding a new passion, just when you thought it was game over.

Jules has lived next door to the local tennis club for years without picking up a racket. As a full-time buyer for a national chain of lifestyle stores and a single, widowed mother of a teenager, she doesn’t have time for a hobby. Then there is the matter of that run-in with her old school crush, Sam, who recently joined the club.

In a surge of boldness, Jules decides to stop playing it safe and accepts an invitation to join an amateur women’s tennis team. Soon enough, she has fully embraced the tennis life and finds herself loving the game and her teammates.

But when her attraction to Sam intensifies, she finds herself facing a whole new kind of match with her insecurities, her desires, and maybe even a second shot at love. And boy, does it have some spin on it.

Coming May 2026

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