For Writers
More than 90% of nonfiction books are sold through a book proposal and sample chapters. One of the best tools I've discovered to answer the most common questions about proposal creation and the publishing process is an eCourse from Terry Whalin called Proposal Secrets. Just click this link to learn more of the details:
Proposal Secrets(referral link*)
* Disclosure: I have an affiliate relationship with Terry Whalin. That means that if you click on the Proposal Secrets link and make a purchase before leaving his site, I get a commission.