INSTANT NEW YORK TIMES BESTSELLER “Writing duo and reigning romance queens Christina Lauren are back with The Soulmate Equation, their most ambitious book to date.” —PopSugar ​

“A sexy, science-filled, and surprising romance full of warmth and wit.” —Kirkus Reviews (starred review)

Chosen as a best pick by Bustle, Marie Claire, Entertainment Weekly, E! Online, PopSugar, BuzzFeed, Goodreads, Country Living, The Pioneer Woman, Woman's World, Bookish, Bookreporter, Frolic, and more!

The New York Times bestselling author of The Unhoneymooners returns with a witty and effervescent novel about what happens when two people with everything on the line are thrown together by science—or is it fate? Perfect for fans of The Rosie Project and One Plus One. Single mom Jess Davis is a data and statistics wizard, but no amount of number crunching can convince her to step back into the dating world.