This vintage 1981 middle school textbook, titled "Focus on Earth Science" by Margaret S. Bishop, is a wonderful addition to any collection. Published by Charles E. Merril Publishing Co., this hardcover book has 544 pages and weighs 3 pounds. It is written in English and was published in the 1980s, making it a great representation of the era. The book covers science topics and is perfect for those who are nostalgic about the 1980s or those who are interested in collectible vintage items. This textbook is a must-have for anyone who wants to relive the 1980s or add a unique item to their collection.