The 5 Most Essential Books for Coin Collectors 

5. The Expert's Guide to Collecting & Investing in Rare Coins

Q. David Bowers 2006

4. Numismatic Photography

Mark Goodman 2009 (2nd edition)

3. The Coin Collector's Survival Manual

Scott Travers 2015 (7th edition)

2. The Official American Numismatic Association Grading Standards for United States Coins

Edited by Kenneth Bressett 2005 (6th edition)

1. A Guide Book of United States Coins AKA "The Red Book"

R.S. Yeoman and Kenneth Bressett First published 1947, annual revised editions since then