Search for the Sparkle (Mermicorn Island #1)

"In the colorful undersea world of Mermicorn Island, magic is all around, if you just know where to look. And no one is looking harder than Lucky the Mermicorn. He is eager to find his 'Sparkle,' that special bit of magic that will make him stand out. When Lucky finds a glittering treasure chest filled with magic seashells, he's convinced his life must be in for a whale of a change. "