"For as long as she can remember, twelve-year-old Emily Windsnap has lived on a boat. And, oddly enough, for just as long, her mother has anxiously kept Emily away from the water. But when Mom finally agrees to let her take swimming lessons, Emily makes a startling discovery -- about her own identity, the mysterious father she's never met, and the thrilling possibilities and perils shimmering deep below the water's surface. In a lovely twentieth-anniversary...

Reunited with her merman father and now living on an island located in the Bermuda Triangle, twelve-year-old Emily accidentally awakens the fearsome kraken and also faces a bully from her past.

Spending the summer in Maine with her grandfather, fourteen-year-old India Finch is still exploring her new healing powers as one of the merpeople, and still trying deal with the conflicts between the two Mer tribes--so when she and her friends find out that the Fire tribe is searching for a powerful weapon called Neptune's trident which they will use against humans, they decide that they had better find it first.

"When King Neptune uses the last remaining drops of magic mermaid ink to create creatures designed to put NYC underwater, Eric "Doodles" King calls upon his Coney Island friends, aka Monster Club, and his drawing skills to stop Neptune before it's too late" --