Source: O’Reilly website, date indeterminate
A complete (non-fiction) proposal includes several things:
- A description of what the book is good for–its topic, audience, and purpose
- A description of the market for the book, including a discussion of any existing books that might serve as competition (or as a model!) for the proposed book
- An outline
- A writing sample
- A description of any tools you plan to use to write the book.
- A brief description of your background and qualifications