Get Out of Debt without Ruining Your Credit - 99 cents
http://www.amazon.com/DEBT-WITHOUT-R...dp/B00T44RNE4/
(I have been looking for "personal finance" books which are on sale; and perhaps you have noticed that a great many of them are for people who are very deep in debt.)
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Credit Repair Secrets - free
http://www.amazon.com/FINANCIAL-BOOK...dp/B00HPAFWEW/