Book Master Key Arithmetic-Grade 4 By Frank L. 1946. Vintage

This vintage book, "Master Key Arithmetic-Grade 4" by Frank L. and Robert Lee, is a must-have for collectors and enthusiasts of mathematics. The hardcover book is beautifully illustrated and written in English. It covers various topics in science and medicine, making it a valuable addition to any book collection. The book's special attributes, including its age and rarity, make it a unique find. Its condition is consistent with its age and has been well-preserved over the years. This book is perfect for those who appreciate the history and beauty of mathematics.