Amazon Categories Create Best Sellers: But That’s Not All They Do    by Aggie Villanueva
Price: $2.99 USD. 13460 words. Published on March 20, 2012. .
This is the most comprehensive help you'll find in using the simple techniques offered through Amazon's category choices, leading to your book becoming a category bestseller. The book is so much more (as are categories). It includes background Amazon strategies and controversy affecting authors while attempting to understand and utilize it on many levels. All through the eyes of a fellow author.

Marketing Strategies for Self-Published Books. Everything you need to know about local, online and nationwide marketing strategies as well as self-employment taxes.    by MP Publishing
Price: $2.99 USD. 9250 words. Published on March 20, 2012. .
“Marketing Strategies for Self-Published Books" is a complete guide for self-published authors as well as first time authors for inexpensive marketing. You will learn everything you need to know about local, online and nationwide marketing strategies as well as self-employment taxes. The tax help section will give details how to maximize your deductions and your take-home income.

All You Need to Know to Self-Publish    by Lisa Pomeroy
Price: $3.99 USD. 27850 words. Published on July 3, 2012. .
This book tells you everything you need to know to self-publish, from how to craft a compelling and best-selling book to how to upload it to various sales platforms. Full of useful marketing advice to help even a novice writer become savvy at spreading the word about new books. Don't know how to make an e-cover? Don't worry -- that's covered too. A terrific all-around resource.