Hence their power. Every collector confronts the complex demands of acquisition, ownership, use and display. Maps and images broadly extend the possibilities.

This month AE's Books for Sale members offer more than five hundred items that range from a curious but common piece for a few dollars all the way up to examples of the exquisitely rare that are listed as POR, price on request. Maps tell a great story, both about the collection and the collector. Here is an interesting opportunity to know more about the world at large and your collecting instincts and approach.

This month the Comet includes more than 600 items from the inventories of AE Books for Sale members. Prices range from a few dollars to a few hundred thousand dollars. It's an interesting selection and well worth a close examination. All items include links to directly contact the dealer.