This is agripping novel Has Passion revenge family feud drama business rivelry crime mystery etc On the best seller list in the early 1990s. May be by a wellknown author. I only remember the story out line It was a facinating book. Can any one remember the name of the book.
Its played out in California and Colorado.

It's what we do at libraries all the time -- find out the title and author of books people read last week, last year, ten years ago.

Write down every detail you can remember, even stuff about a picture on the cover, characters' names, their occupations, settings, animals featured in the book, genre. Then call or visit your local public library and ask for a librarian who does reader's advisory. He or she will check databases and print resources and consult with other librarians who are familiar with the genre.