Factors Affecting Value:
* Condition: The condition of the books is paramount. Are they in pristine shape, with no tears, stains, or wear? Or do they show signs of age and use?
* Completeness: Is the set complete with all volumes? Are there any missing or damaged volumes?
* Rarity: Certain editions or specific volumes might be more desirable and valuable.
* Market Demand: The demand for vintage encyclopedias can fluctuate.
* Location: Where you are selling the set can influence the price. Online marketplaces, local antique stores, or auctions will have different pricing structures.
How to Determine Value:
1. Research: Check online auction sites (eBay, etc.), antique databases, and booksellers specializing in vintage encyclopedias. Look for comparable sets sold recently.
2. Professional Appraisal: Contact a professional appraiser specializing in books or antiques for a more accurate valuation.
Keep in mind:
* While 1964 World Book Encyclopedias have historical value, they may not be worth a fortune.
* Their educational value might be outdated due to advancements in knowledge.
* Consider selling to a collector, antique shop, or online marketplace.
Remember, getting a fair price depends on being realistic about the set's condition and the current market demand.