"Astrid struggles with a shameful secret, Ling discovers courage in a prison camp, and Serafina lines up allies to help fight the final battle for her underwater realm"--

A love-struck mermaid named Aquamarine supplies adventure and insights to two twelve-year-old girls, life-long friends who are spending their last summer together before one of them moves away.

A little sea princess, longing to be human, trades her mermaid's tail for legs, hoping to win a prince's love and earn an immortal soul for herself.

As Serafina uncovers more clues about the talismans, Neela ventures into a sea dragon's nest, and Ling learns the identity of their foe.

When the ferocious shape-shifting Kraken awakes after thousands of years and threatens the Mer, Sapphire agrees to help them by going with her brother Conor and their friend Faro into the Deep to lull the monster back to sleep.

On the night of the blue moon when mermaids are said to gather on a sandbar in the Gulf of Mexico, ten-year-old Keeper sets out in a small boat, with her dog BD and a seagull named Captain, determined to find her mother, a mermaid, as Keeper has always believed, who left long ago to return to the sea.

"A new epic of love and war among gods and humans, from the #1 New York Times bestselling author of The Awakening. The world of magick and the world of man have long been estranged from one another. But some can walk between the two-including Breen Siobhan Kelly. She has just returned to Talamh, with her friend, Marco, who's dazzled and disoriented by this realm-a place filled with dragons and faeries and mermaids (but no WiFi, to his chagrin). In...

Oona and her best friend Otto love to search for treasure...and often find trouble instead. Messy trouble. Tricky trouble. Even shark-related trouble. That's never stopped them before, though! After all, no proper treasure hunt is without some adventure. But when the grandest treasure yet is stuck in a deep, dark rift, Oona's not sure if she can dive right in. What might be waiting for her in those unknown waters?

"To celebrate the rise of their new queen, three goddesses of the moon created three stars, one of fire, one of ice, one of water. But then they fell from the sky, putting the fate of all worlds in danger. And now three women and three men join forces to pick up the pieces Mermaid Annika is from the sea, and it is there she must return after her quest to find the stars. New to this world, her purity and beauty are nothing less than breathtaking, along...

"... One September evening in 1785, Jonah Hancock hears an urgent knocking on his front door near the docks of London. The captain of one of Jonah's trading vessels is waiting eagerly on the front step, bearing shocking news. On a voyage to the Far East, he sold the Jonah's ship for something rare and far more precious: a mermaid. Jonah is stunned--the object the captain presents him is brown and wizened, as small as an infant, with vicious teeth...