Is it a first edition? This is a question that many people ask when they discover what they think might be a rare and valuable book at a flea market, in a thrift shop, or in a box in a family member’s attic. Even if you’re not a rare book collector and you don’t know much about rare books in general, you’ve probably heard the term “first edition,” and you likely associate the phrase with an item of value. Everybody wants to have a first edition, right? Generally speaking, a first edition of a book often will have significantly more value than subsequent editions, but that’s not always true. There are a number of factors to consider, and in the case of some books, it’s not necessary the first edition that has the most market value. What follows here is a deep dive into the idea of the elusive first edition, and some information that can help you to determine whether you actually have a first edition and what it might be worth.