A four book series about the Marshall sisters by international bestseller Lynne Graham. Four linked books where passion, glamour and drama are guaranteed... A Rich Man's Whim – Enigmatic Russian Mikhail Kusnirovich offers to pay off Kat Marshall's debts in exchange for a month on his yacht, in his cabin... The Sheikh's Prize – When Sheikh Zahir Ra'if Quarishi took a Western woman as his wife it caused outrage amongst his people. Had marrying Sapphire Marshall turned out to be the biggest mistake of Zahir's life? The Billionaire's Trophy - What is his intern's photo doing on an escort website? Bastian Christou doesn't know if he's more surprised by her double life or her stunning photo – she's kept those curves well hidden! Where is his chequebook? Challenging Dante – Topaz Marshall's search for her father has brought her into shrewd Italian billionaire Dante Leonetti's world and now she's experiencing his ferocious reputation first hand – and he is just as terrifying when he is being charming!