Sean Kinn infuses a decade of writing experience into "E-Doc-S" while explaining how to use an e-document publishing platform to generate freelance revenue. He details new math that allows freelancers to receive royalties rather than fees, how to sell directly to readers and an in-road to Amazon's mammoth online sales machine. Essentially, how to write once and enjoy perpetual sales. "E-Doc-S" also notes important computer security tips of which you may not be aware.