1. Printing Date: The printing date of the book is crucial. The first edition and early printings are usually more valuable than later printings. Look for a date on the title page or copyright page.
2. Condition: The condition of the book is also important. A book in excellent condition with minimal wear and tear will be worth more. Check for any damage to the cover, spine, or pages, as well as any writing, stains, or tears.
3. Seller: The platform and location of the sale can also impact the value. Selling the book through a reputable book dealer or auction house may result in a higher price compared to selling it online or at a local garage sale.
To get a more precise estimate of the value, you can compare prices on online marketplaces like AbeBooks, Amazon, and eBay. You can also consult with book dealers who specialize in rare and collectible books for a professional appraisal.