I got something similar to the books you mentioned but about woodwork
so gonna buy some for my collection too ( I collect those types of books )
the website you mentioned looks pretty good as it tells you what type of leather you need
so for someone like me that never did leather apart from a leather apron but by hand not with machine
thanks
I forgot to mention I am trying to learn how to sew with a machine ( singer 45k)
thanks for the plentiful info guys I really appreciate it