Rachel Reid and her 'Unrivaled' book. Caleb Latrielle; Courtesy of Harper Collins Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment While Heated Rivalry the series continues to grow in popularity, the show's material is officially getting a new installment.