Because this book was written in the early 90s, the code examples are likely in C or Fortran, and the diagrams are monochrome. Here is how to get the most out of it today:
The Internet Archive (archive.org) often holds digital copies of older technical books that can be "borrowed" for a short period.
Limin Fu’s work is respected for its structured approach to different "schools" of neural networks. The book typically covers: