Linen thread
Do you love the look and feel of hand-crafted books? If so, you'll love linen thread! This thread is perfect for bookbinding, as it is strong and durable. It also has a beautiful natural sheen that will make your books stand out from the rest.

Where to buy linen thread

Since linen thread is not as common as cotton or other materials, it can be difficult to find a store that sells your desired type of this fabric. To help you with your search for the best online stores for buying linen, here is a list of retailers.  
Retailer Description
ThreadArt This American company offers sewing and embroidery threads in different colors and types. It has an extensive range of products from various brands including Madeira, Robison Anton Polyester Embroidery Thread, Sulky Rayon Embroidery Threads, Isord Machine Embroidery Thread, and many more.
Amazon  Among its selection of sewing supplies are threads made from different materials such as cotton, silk, polyester, rayon, linen, and more. It is sold by various brands including Gutterman Sew-All Polyester All Purpose Threads (250 m), Gutermann Natural Cotton Thread Solids (800 m), Sulky Rayon Embroidery Thread Sets 80 Wt., and so on.
Thimbles & Things  This company offers a wide selection of fabrics for quilting in various designs from well-known fabric brands. It also has a range of notions, tools, and supplies for quilters. This online store offers a wide variety of fabrics including linen in different colors and designs. It is also one of the cheapest sites that sell this type of material.
Sewing Machines Plus  This website not only sells sewing machines but also a wide range of fabrics including linen in different colors, designs, and textures.
Hopefully, with this list, you will be able to find the perfect online store to buy your desired linen thread or fabric! Happy shopping!