The A to Z Guide to Bible Signs & Symbols: Understanding Their Meaning and Significance by Neil Wilson and Nancy Ryken Taylor is a beautifully designed and crafted introduction to the world of signs and symbols.
The authors do a great job of defining what it is for something to be a sign and what it is for something to be a symbol within the context of Scripture. Given those parameters, the reader is informed that the book is not intended as a comprehensive listing of all the signs and symbols in the Bible, nor does the book claim to work out all of the potential nuances and meanings of the signs and symbols in the Bible. As I went through the book, there were certainly various items that I had hoped would have been expanded upon further, but at the same time I fully commend the authors for going for a more conservative approach instead of venturing too far into conjecture.
If you are looking for an introduction to the world of signs and symbols that is reasonable and linked well with Scripture passages, this is a good first book.
Disclosure: I received this book free from Baker Books through the Baker Books Bloggers http://www.bakerbooks.com/bakerbooksbloggers program. The opinions I have expressed are my own, and I was not required to write a positive review. I am disclosing this in accordance with the Federal Trade Commission’s 16 CFR, Part 255 http://www.access.gpo.gov/nara/cfr/waisidx_03/16cfr255_03.html.