Tress Of The Emerald Sea by Brandon Sanderson

In this fantasy novel, a young woman named Tress embarks on a daring adventure across the perilous Emerald Sea to rescue her friend Charlie, who has been captured by a mysterious sorceress. Along the way, Tress encounters a diverse crew of characters, including pirates and magical creatures, and must navigate treacherous waters filled with deadly spores and unpredictable magic. Through her journey, Tress discovers her own strength and courage, ultimately challenging the forces that threaten her world and uncovering secrets that could change everything.