Caroline Peckham is an English romance and romantasy author best known for co-writing dark romance with her sister, Susanne Valenti. Together, they are widely associated with the “Twisted Sisters” brand and the Solaria universe, especially Zodiac Academy, a bestselling... fantasy romance series about Tory and Darcy Vega, fae power, elemental magic, rival heirs, and brutal academy politics. Peckham and Valenti expanded that world through connected series such as Ruthless Boys of the Zodiac and Darkmore Penitentiary, giving readers a larger landscape of supernatural danger, romance, crime, and character crossover. Across her work, Peckham is known for intense emotional stakes, cliffhangers, morally complicated love interests, fierce heroines, found family, and immersive series worlds built for readers who enjoy dark, high-drama romance.