I think you have some problem of low self esteem or have been brainwashed by the anti-intelectual crowd. Of course writing a book is not a magical think, but it

I think you have some problem of low self esteem or have been brainwashed by the anti-intelectual crowd. Of course writing a book is not a magical think, but it shows that you have technical knowledge about the subject (if the book is any good). Any reasonable employer would be glad to have this kind of people. If they don't, I would suspect that it is a sweatshop.