The 41st Edition Blue Book of Gun Values contains 2,512 pages of accurate information and up-to-date values for modern firearms and many major trademark antiques. The Blue Book of Gun Values provides more firearms information and pricing. This book continues to be the standard for buyers, sellers, collectors, and connoisseurs in the firearms industry. This updated edition contains more than 1,700 manufacturers and trademarks with brief histories whenever possible; nearly 23,000 models with individual listings and descriptions; and a staggering 500,000+ up-to-date values. No other book is even close. The 80-page color Photo Percentage Grading System (PPGS) has been revised, making firearms grading even easier and more accurate. Its serialization charts have been expanded, allowing more years of manufacture to be determined on individual makes/models.