i will finish my book <the mathematical companion to quantum field theory and fundmental interactiond>,someone can help me contact a publisher to publish this book?
While we here at PF are not qualified to handle publishing questions, some searches online provided these links which show the steps and the need to get a literary agent:
This video describes the experience and strategies one prof took to get his work published:
and these two references describe the steps you need to take in this most serious venture: