If you'd like to take the time to understand multiple-harness weaving, this book will be a gentle introduction. It is written for the experienced weaver, but does not assume knowledge of multiple-harness weaving. The author understands theory and practice well and has organized her book and her thinking so that she could present it easily and well. This is a reading book illustrated with just a few photographs but many diagrams.
Full title: More Than Four: A Book for Multiple Harness Weavers