One of my favourite reference books. You can tell because of all the post it notes sticking out!
A Guide to Textiles for Interior Designers began life as a textbook in the early 1980's, which is when I bought it for the princely sum of $35US...at a time when paperbacks were selling for under a dollar.
Since then I have used it frequently. It is my go to resource for anything related to fibre or fabric characteristics. I love the format, the graphics and charts. Dense information given in a straight forward clear manner.
You don't need the recently published second edition. This first edition is readily available on second hand book sites for a fraction of the cost. And with every penny.