You’re using other materials as sources. But have you considered your right to use the material? Book publishing is a whole different world from those days of school research papers, when you could quote away and just throw a bibliography at the end.
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Whether an author uses a professional book publicist or does all their own marketing, there are several steps an author can take, while the book is still in the publishing process, to set the stage for marketing.
The visual appeal of your book, both inside and out, is key to helping it get attention. Is the design of your book doing its job?
If you’re thinking about publishing a book, by now you probably know that you’ll need funding to do so.
If you want your book to be carried at a library, you’ll need an LCCN.