Mermaid Marina has a new friend, Coral! This easy reader is perfect for kids learning to decode words -- and it comes with an exclusive necklace! Marina and Bubbles are rushing to riding class when they spot a mergirl and sea pony they've never met before. Coral and her sea pony, Bloom, are new to the Aquaria Seaquestrian Center, and they are excited to learn! But when Bloom accidentally knocks over a shelf of trophies, Bloom worries they've made a bad impression. Will the new students make friends at school?