In Buttercup Bay, happiness is the most unexpected Halloween treat. Scarlett Calloway has finally found her place in the cozy, small town of Buttercup Bay, pouring her heart into her new bookstore. But just when she thinks she's settled, the town's elusive mountain man, Wade Grayson, steps into her life-stirring feelings she never expected. Wade, haunted by past loss, has spent years hiding from the world, but Scarlett's warmth begins to melt the icy walls around his heart. As the Halloween Bash approaches, Scarlett and Wade must face the ghosts of their pasts and decide if the future they want is with each other. Can they open up to the love that's right in front of them before the festival ends? Her Halloween Happiness is a heartwarming, instalove romance filled with small-town magic, autumn nights, and the cozy joy of finding love in the last place you'd expect.