Knot What You Think is part of the Quilting Mystery series by Mary Marks. The book follows Martha Rose, a quilter and owner of the Quilty Pleasures quilt shop in California. When a fellow quilter is found dead at a local quilt show, Martha becomes determined to solve the mystery. With her quilting expertise and a group of quirky friends, Martha unravels a web of secrets and uncovers the truth behind the murder. Knot What You Think is a cozy mystery filled with quilting tips, friendship, and a dash of romance.