Samplers: How to Compare & Value by Stephen & Carol Huber
This book is one of my top picks for people just starting to learn about samplers, and sampler history. This book is cool, because comparisons are made between similar samplers, and the authers explain why one sampler may be more desireable or more valuble than the other. Lots and lots and lots of pictures... one of my favorite sampler books! This book is out of print, so you are buying a used book in good condition.