Check the listing for details. Red Book Collectors Series: A Guide Book of United States Currency, 9th Edition. Condition: New. Listed at 22.95 USD. Whether you actively collect U.S. currency, or you simply have a few old notes you want to look up, you will find a wealth of valuable information inside. “This book is an excellent stepping-off point if you are just getting started in collecting currency and will be a valuable identification guide to help you understand the various note types that have been issued by the U.S. Treasury.”.Whether you actively collect U.S. currency, or you simply have a few old notes you want to look up, you will find a wealth of valuable information inside. “This book is an excellent stepping-off point if you are just getting started in collecting currency and will be a valuable identification guide to help you understand the various note types that have been issued by the U.S. Treasury.”.