Guardian of the Gauntlet, Book II by Lenita Sheridan

After Camari receives a note attached to a bird from the Gnomes of Nurrocon, she realizes she must enlist Isryk's aid. They are about to voyage across the sea to help the gnomes retrieve crystals from the Magnite Sea which is guarded by a monster named the Great Vanthor. What follows is a quest full of pitfalls and perils. How they achieve this quest with the aid of the gauntlet is what this book is all about.