He saved her. Now it's her turn to save him. When Cassie Price wipes out surfing, she's rescued by a mysterious stranger with ocean blue eyes and golden hair. Before she can thank him, he disappears with a splash. The next morning she finds him unconscious on the beach. After bringing him to her house, she manages to wake him up. But the last thing she expects is for him to grow fins and a tail. Merpeople. They exist. And this one is so captivating that Cassie is instantly drawn to him. Trusting guys has never been easy for her, but the more time she spends with the merman, the more her heart opens. With his inability to live on land for more than a few hours, Cassie questions whether they can ever have a future together. Being too invested, she can't bear to part with him. When his existence is threatened to be exposed, Cassie must decide if she's willing to let go of the only guy she's ever loved.

Cassie Price and her merman boyfriend, Damarian, have declared their eternal love for one another and can’t wait to spend the rest of their lives together. Damarian is slowly adjusting to life on land and Cassie is preparing for her first semester of college. But when an accident on the beach kills an innocent girl, they wonder if the merpeople have anything to do with it. Damarian rushes back home to sort it out and hopefully come back with good news. But he never returns. Cassie knows something’s wrong. Unable to wait any longer, she enters the ocean, desperately searching for the love of her life. What she discovers down in the sea is something worse than she could have ever imagined. It’s up to Cassie to save her merman—but it may be too late.

After fighting off the rebel merpeople holding them hostage in the ocean, Cassie and Damarian finally make it back to land, to safety. Now they need to learn how to balance both their human and merpeople lives. Staying in the sea for too long causes Cassie’s friends and family to worry. But how can they remain on land when the merpeople colony is threatened by the rebels? As if that’s not enough, there are changes going on in Cassie’s body, changes that seem to have nothing to do with her mermaid side. It’s not long before they learn the truth: Cassie’s very existence threatens to bring an end to the entire merpeople race. Can she and Damarian figure out how to stop it before they’re torn apart forever?

Now that Cassie Price knows what she really is and the danger she poses to the merpeople, she does everything she can to escape her fate. As the beast inside her grows stronger and stronger, her very essence grows less and less, and it won’t be long until she’s gone forever. But Damarian refuses to give up on the person who means the world to him. They share a bond that’s beyond anything anyone can imagine, but is their love strong enough to overcome this last obstacle? And will they finally have the happily ever they desperately want?

Nearly a year has passed since Damarian and Cassie met and they’ve put the past behind them. Cassie thinks the hardest thing she’d have to deal with in the upcoming days is finding the perfect anniversary gift for the love of her life and making the day as memorable as possible. But when Damarian starts acting strangely and refuses to speak to her, she knows something is very wrong. After finally wrestling the words out of him, she is faced with a reality she thought she buried months ago. They hurry to the ocean to try to make sense of it all, only to be faced with one obstacle after another. Will the past come to haunt them and get in the way of their happiness?

Cassie and Damarian’s big day is approaching and they can’t wait to finally be bonded as humans. Amidst the excitement and stress of planning the wedding, they never once stop showing each other how much they mean to one another. But when they return to land after visiting the ocean, Cassie and Damarian start feeling differently. Every kiss, touch, and whispered promise doesn’t hold the same meaning as it did over the past two years. It’s not long before they don’t feel anything for each other at all. Damarian rushes to the sea to learn what’s causing this. What he discovers is worse than they could have possibly imagined. If they don’t find a solution soon, they may be lost to each other forever. Will Cassie and Damarian finally get their happy ending?

All her life, sixteen-year-old Marella Sapphire felt like she was different from everyone else. But the last thing she expects is to turn into a mermaid.It turns out her parents have been hiding a huge secret from her. They’re both merpeople and now she is one, too. And there’s a whole colony of merpeople deep in the ocean—her family—waiting to meet her. Her parents expect her to pack up her life and go down there. Live as a mermaid, like that’s totally normal. But Marella doesn’t want this. She misses her old life, her friends, and the boy she has a crush on.After making a deal with her parents to give it a shot, she spends some time in the ocean. She meets her family and makes some friends. She realizes that life in the ocean might not be that bad after all.Until a danger threatens the ocean. And Marella might be the key to saving it.

Marella Sapphire, former human, is now Marella of the Sapphire clan. A mermaid.She thinks her life will be filled with learning about the amazing and beautiful world down in the sea and getting to know her new family. But little does she know there’s an evil that threatens the very place she’s come to love so much.Then she learns she may be the key to saving the ocean, and maybe even the world. And the source of evil? It might be the one person she’s come to love most.Can she fight for love or will it be lost to her forever?

After battling evil and saving the ocean, mermaid Marella of the Sapphire clan is ready to embrace life on land and in the sea. Learning to balance both worlds isn’t easy, but she’s determined to make it work. And grow even closer to the love of her life, Elpidian. With the help of family and friends, Marella learns more about herself, the amazing world under the waves, and of course her future mate. Her dream life is just within her reach…Will she finally have the happily ever after she’s been yearning for?

Merman Kyler of the Emerald clan and human Leah Arnold have never really seen eye to eye. But no one can deny the attraction brewing between them. What starts off as a simple kiss evolves into so much more, and soon Leah and Kyler find themselves facing difficult questions they’ve been trying to avoid. Can they overcome their fears and insecurities and open their hearts to love? Will one of them have to sacrifice their life so they could to be together? Or are they doomed to live a lonely life forever?