This is a tricky question, as fiction writing usually doesn't work that way -- you need to have the book already written and find a publisher who likes it.
With nonfiction, you can do this -- it's called "writing on spec." Just type out a good business letter to the editor -- you can find their name and address in the latest issue of Writers' Market -- and give a short summary of what you want to write about. This should be a paragraph or two. Give a paragraph about why you would be the best writer for this book -- what you've written before, your area of expertise in the field, and any recognition you have received in the field.
You write a book and then send it to a publisher.
Unless you already are a successful book writer, it would be a waste of time for you to submit a proposal for a book idea. If you want to get a book published, you need to write the book first, then send a proposal to a publisher. Every publisher has writing a style guides and information about how to contact them to get your writing published. Bottom line is that if you are not willing to invest in yourself first (put in the time to write your book), then it is very unlikely you will find a stranger (publisher) to take a chance on your abilities.
melted clocks
No she did not. There is a book about her called The Queen's Vow: A Novel Of Isabella Of Castile.
No, Bill Wallace did not write the book "Beauty." "Beauty" is a novel written by author Robin McKinley.
Here is a link to the question "How do you write a book or novel?" - it will tell you all about writing a book. As to the fantasy part, you need to read enough fantasy to know what that would be.
To write a proposal for a new position, be formal. List why you believe you are a good candidate for the job.
Samuel Richardson wrote the book Pamela; Or, Virtue Rewarded.
A sponsorship proposal has to include a case and a remedy. Proposals get good funding because they have a plausible justification, resolution strategy and needs analysis.
You can not write a novel by keeping your creative juices in your head. Also, you can not write a novel by writing a dictionary instead.
In order to write a distribution proposal, one would have to contact their local attorney at law and receive the necessary paperwork from them. This paperwork will have step by steps guidelines in writing the proposal.
There are a few places where someone can go to lean how to write a proposal. Websites such as, foundation center, and how-to-write-proposals, both have information about how to write one.