* Edition and Condition: The value depends heavily on the specific edition (publisher, illustrator, binding, etc.) and the condition of the book (wear and tear, dust jacket, etc.).
* Rarity: Some editions are rarer than others, driving up the price.
* Market Demand: The current market demand for that specific edition plays a role.
To get an accurate assessment, you'll need to do the following:
1. Identify the Edition: Carefully examine the book, looking for details like the publisher, date, illustrator, and binding.
2. Assess Condition: Check for signs of wear and tear, including the cover, spine, pages, and any dust jacket.
3. Research: Use online resources like Abebooks, Rare Book Hub, or eBay to find comparable editions and their prices. Consider consulting with a book appraiser for a professional evaluation.
Remember: Just because a book is old doesn't automatically mean it's valuable. The key factors are the edition, condition, and market demand.