Uncovering an ancient evil, Serafina, a mermaid of the Mediterranean Sea, searches for five other mermaid heroines who are scattered across the six seas, to save their hidden world.

Inside the abbey of a Benedictine monastery on tiny Egret Island, just off the coast of South Carolina, resides a beautiful and mysterious chair ornately carved with mermaids and dedicated to a saint who, legend claims, was a mermaid before her conversion. Jessie Sullivan's conventional life has been "molded to the smallest space possible." So when she is called home to cope with her mother's startling and enigmatic act of violence, Jessie finds herself...

Shelly is a princess! A real princess! It's been a well-kept secret in Trident City, but now the word is out, and Shelly doesn't know how to act! Should she start wearing a glittery crown? Or move to a grand undersea palace? Will her friends have to call her Your Highness? Being a princess may be exciting, but Shelly's not sure she can truly play this royal part.

Assaulted and left on the cliffs outside of her grim Alaskan fishing village by her abusive, alcoholic uncle, fourteen-year-old Luce expects to die when she tumbles into the icy waters below, but when she instead transforms into a mermaid she is faced with struggles and choices she could never have imagined.

Longing for onstage stardom, Pearl auditions for the third-grade play and gets the part of the evil sea witch while her best friend is cast in the lead, a situation that challenges their friendship.

When the fourth victim of a twisted serial killer is discovered, Detective Inspector Carol Jordan teams up with criminologist/forensic psychologist Tony Hill to develop a complicated criminal profile, the accuracy of which becomes pivotal to solving the case.

"Kiki Coral has an amazing gift: she can see the future. She doesn't have visions very often, but they are always surprising! When Kiki sees a vision of her classmate Rocky Ridge coming face-to-frightening-face with a gigantic leatherback turtle, she is frightened to the tip of her shiny purple tail. Can Kiki save Rocky from his dangerous fate? What if no one in Trident Academy believes her scary prediction?"--Jkt. flap.

Mermaids Shelly and Echo are excited to begin third grade at the prestigious Trident Academy, but snooty Pearl, jokester Rocky, brilliant Kiki, grumpy Mr. Fangtooth, and an argument over their first project challenge the best friends. Includes facts about marine plants and animals and words to the Mermaid Tales Song.

Deb and Chip, a couple honeymooning at a Caribbean resort, meet a marine biologist who claims to have sighted mermaids at a nearby coral reef, and join with other adventurers to protect the mermaids when the resort reveals plans to build a theme park on the reef.

Vacationing in a sleepy beach town for the summer, Sam is pursued by hordes of blonde girls before falling in love with the unusual DeeDee, who compels him to uncover secrets about the community's ocean-dwelling inhabitants.