Secrets, Power, and Forbidden Love... Xavier, JJ and Alexia, the royal children of a hidden Atlantean kingdom, are on the brink of a new adventure. Having survived the dangers of a tough London school and forged deep connections with humans, they now face their greatest challenge yet: bringing their new friends home to meet the family. For the first time, the royal hybrids invite outsiders to their secluded island for a Christmas like no other. As two worlds collide, love and loyalty are put to the ultimate test. The stakes couldn't be higher – one wrong move and their friends' memories will be wiped for ever, erasing every precious moment they've shared. Meanwhile, their sister Alexia grapples with a forbidden romance that exposes a long-buried secret. Her love for someone from a disgraced bloodline could ignite ancient feuds and alter the course of their history. Caught between duty and desire, the young royals must navigate treacherous waters to protect their kingdom and those they love. Will their secrets bind them together, or tear them apart for ever? Dive into Cross Heirs , a 450-page turner of power, romance, and adventure, where the line between friend and foe is never clear, and love might be the most dangerous secret of all.