For my book (see profile) I developed the idea because my posts about cold calling for entrepreneurs became so popular.
After that, I just started collecting emails, asking the list members qualitative questions, and honing copy by testing.
If you started with an idea for a book and no audience demanding it, you should really execute the whole custdev process in one form or another to verify demand. Pre-sales is a great avenue for that.
After that, I just started collecting emails, asking the list members qualitative questions, and honing copy by testing.
If you started with an idea for a book and no audience demanding it, you should really execute the whole custdev process in one form or another to verify demand. Pre-sales is a great avenue for that.