This hardcover book titled "Gemstones of North America" by John Sinkankas is a must-have for any nature enthusiast. The book was published by Wiley & Sons, Incorporated in 1959 and features a colored photos section that adds to the beauty of the book. It is a nonfiction narrative type that covers rocks and minerals with a focus on gemstones found in North America.

The intended audience for this book is adults and it is written in English. Although it is a vintage book from the 1950s, it is in excellent condition and would make a great addition to any book collection. This book is a rare find for anyone interested in the topic of gemstones and is sure to provide hours of educational and enjoyable reading.