* Condition: Is the book in good condition? Are the pages intact, the binding strong, and the cover free of damage?
* Edition: There might be different editions published in 1901. Some editions might be rarer and more valuable than others.
* Rarity: Is it a first edition? Are there any special features or inscriptions that make it unique?
* Demand: The market for this particular book is important. How many other copies are available, and how much are collectors willing to pay?
Here's how to get a better estimate of the value:
1. Check online resources: Use websites like Abebooks, Biblio, or eBay to see if similar copies of the book have been listed for sale recently.
2. Contact a book appraiser: A professional book appraiser can examine the book and provide you with a more accurate assessment of its value. You can find appraisers through organizations like the American Society of Appraisers.
3. Visit a local bookstore: Ask a knowledgeable bookseller specializing in antique or rare books for their opinion on the value.
Remember, the value of a book can fluctuate over time based on market conditions and collector interest.