The product is a hardcover textbook titled "Plane & Spherical Trigonometry," authored by Claude Irwin Palmer, Harris Kimball, and Charles Wilbur Leigh. Published in 1956 by McGraw-Hill, the book focuses on the subject area of Mathematics, specifically Trigonometry.

This copy is heavily used and has mark ups on many pages. Whether you love math or are looking for a rustic decor piece, this would make a great addition to your collection!