Mermaid tales is a story written by Debbie Dadey following a Third-grader Shelly Siren and her friends Echo, Kiki, and prima donna Pearl have just started school at the prestigious Trident Academy, where they get their sparkling tails tangled up in plenty of adventures. Join this fin-tastic foursome, along with other fantastical under-the-sea characters, as they navigate the waters of everyday life. Sinopsis All the merkids are super-excited! Two famous narwhal scientists are visiting Trident City with their daughter, Nadine. Best of all, someone is going to get to show Nadine around the city while her parents are in meetings! But who? All the merkids want to be the one, so how are they going to decide who gets to do it ? Mrs. Karp, their teacher, decides to organize a code-breaking contest, but with the competition getting fierce, it is more like a code war! Even Kiki, Echo, and Shelly are fighting! Is there a way that everyone can win ? —-- Semua merkid sangat bersemangat! Dua ilmuwan narwhal terkenal mengunjungi Trident City bersama putri mereka, Nadine. Yang terbaik dari semuanya, seseorang akan mengajak Nadine berkeliling kota saat orang tuanya sedang rapat! Tapi siapa? Semua merkids ingin menjadi satu, jadi bagaimana mereka akan memutuskan siapa yang akan melakukannya? Bu Karp, guru mereka, memutuskan untuk mengadakan kontes pemecahan kode, tetapi dengan persaingan yang semakin ketat, itu lebih seperti perang kode! Bahkan Kiki, Echo, dan Shelly bertarung! Apakah ada cara agar semua orang bisa menang?