If you're interested in Nevada chips, the book to acquire is "The Chip Rack" currently in its 19th edition.
For other areas (other US states, Canada, cruise ships, international chips, etc.) consult "ChipGuide.com" -
there's a link in the banner at the top of this page... there you'll find pictures, dates of release, and other
interesting information. Enjoy the hobby and feel free to ask specific questions on this board - there are
many knowledgeable collectors ready to lend a hand. Another good move would be to join the CCA
(Casino Collectibles Association) - again, there's a link at the top of this page. Best of luck!