A class trip to a beautiful island is overshadowed by a local myth about a mysterious ship that may have ties to the lost city of Atlantis.

Oona and her best friend Otto love to search for treasure but often find messy, tricky, and even shark-related trouble, instead.

"Bo Tinseltail is excited to meet a merbaby. But when Bo learns the merbaby can't swim, they set off on a journey to find a legendary demigod who may have the power to help! Will they find what they're looking for?"--back cover.

"Two merpups named Lilly and Fin must escape from the clutches of the humans who want to add them to their collection of rare aquatic creatures"--Provided by publisher.

"The Princess in Black and her friends are enjoying a day of sun and sea on Princess Sneezewort’s royal boat when a real, live mermaid princess emerges from the waves! Eeeeeee! Princess Posy needs their help protecting her very cute sea goats from being eaten by a very greedy kraken. But the princesses and the Goat Avenger quickly realize that fighting underwater can be tough for land dwellers, and only the mermaid Princess Posy can save the day....

"Kiya and Kinjal have succeeded in their first quest in the magical world of the Kingdom Beyond, but whatever good they achieved might not be enough. Their faithful flying horses Snowy and Raat reappear and whisk them back to the Kingdom to help the water pari--winged merpeople-who are slowly being poisoned by the very water in which they live. It is up to the twins to figure it out and put a stop to it. Fortunately, Kiya has the know-how to solve...

"There's so much to see in Tidal Grove. Swim along with Vera and Beaker! They play underwater games. They explore a sunken ship. And they eat seaweed cookies!" --back cover

"Oona is on a mission! A baby beluga whale has lost her way from her family and needs help getting back to her icy arctic home! But Oona and her best friend Otto have never traveled from their warm ocean waters before. Will old ship maps and a compass be enough to lead them through the dangerous storms ahead? Oona may be a little mermaid, but she is determined to see this big adventure through! With a bit of bravery and help from some new friends,...

"Everyone in Fairyland knows that Mrs. Paws is the perfect pet matchmaker! She has flying piglets, baby griffins and even pugicorns. She has a knack of knowing what pets are right for each princess, prince, or mermaid! Millie the Mermaid loves her new pet, Starwhal, who is an adorable narwhal with the power to turn anything sparkly and shimmery! Millie the Mermaid loves her new pet. But is there enough Starwhal magic for everyone in Coral Cove?"...

"On a trip to visit her cousin in Poland, a child initially struggles with not feeling 'Polish enough.' She finds it hard to understand her aunt’s quick Polish speech and feels embarrassed at her own attempts to speak Polish. When she and her cousin discover their shared love of fairy tales, though, they bond instantly and set off together on an adventure across the city of Warsaw to find Syrenka Warszawska." --publisher's website.