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 Time…Show more