This is one of those books that is still around because
it fills a niche that no modern book has been able
to fill. It introduces N=1 susy quickly and concisely.
The reader must work through every equation in order
to get something out of this book. The reason why people
continue to use this book of equations is because the
equations are right. If you try other books, they are
filled with typos and sometimes even more serious errors.
Get through the first 8 chapters of this book
may be chapter 22 and 24 then get into Argyres' notes
that delve into the modern aspects of supersymmetric
quantum field theory.