No single book tells everything there is to know about map collecting. Libraries often have books on cartography and some are offered by large book dealers or map dealers. Some reference books are offered on this Web site . Many reference books are rare and seldom are on the market. Since they each have a different emphasis their value varies.
Most larger dealers issue catalogs of material.
There are often well documented and useful. Occasionally back issues of catalogs appear at used book stores but dealers often have back issues that are available for collectors. Map Societies and networking. Many large cities have map societies and local inquiries will usually locate them. Also, map collectors can sometimes be located on the World Wide Web.