Collections can get Complicated
I’ve known for many years that book collecting, if it was ever only books, is rarely books alone today. Book collecting was once a huge field that required decades of experience. Today informational databases approach Einstein levels of volume and complexity providing clear pictures of rarity and value while selling databases such as Abe Books and Biblio show enormous availability. The word rare has always been a general term but the best databases today show it item by item, selling sites to tell you how many are available and RBH to tell you what the market is saying it’s worth. ...