[Siren Menage Everlasting: BDSM, Contemporary, Menage a Trois/Quatre, MFM, HEA] In Their Greatest Treasure, Nash and Riker blame themselves for their lover's death. They're billionaires, and their club is turning into a dive. Chastity Malone is hired to help Riker and Nash Riley, two sexy twins with attitude. Despite their own losses, together they learn to see the world in a different way. They didn't count on their pasts reemerging, or possibly losing the woman that completes them. In A Billion to One, Organized, assertive planner, with trust issues, seeks one-night stand. Chiara thinks it is a plan, and then she meets Cash and Zane, two billionaires that will change her life forever. Not only are they planning on buying out the business she should own, but they save her from abduction, and crimes of revenge, from her father's past. Dixie Lynn Dwyer is a Siren-exclusive author.