If you are looking for excellent sewing instructions, there are a variety of wonderful books that have incredible amounts of information, including photos and tutorials, for just about anything to do with sewing.
Some of my favorite books are listed here-
Singer Sewing Library- step by step photograph tutorials & education! Over 30 titles!
Sewing with an Overlock
Sewing with Knits
Sewing for Fit
Sewing For the Home
More Sewing For the Home
Sewing Activewear
Sewing With Difficult Fabrics
Sewing Pants
Palmer & Pletsch Sewing With a Serger
Creative Serging
Mother Pletsch's Painless Sewing
Pants for Real People
Claire Schaeffer books (college textbooks as well as Fabric Sewing Guide)
Bernina Footworks
Bernina workbooks or manuals
Serger Secrets
Sewing Secrets from the Fashion Industry
I literally don't have time to list them all! There are more than I have in my photograph, but this is just to give you an idea, there is a lot available.