BOOK OF CHEVROLET TECHNICAL BULLETINS FROM 1940's TO 1950's FOR THE MOST PART,  MOSTLY 49 TO 52, STRAIGHT OUT OF A DEFUNCT DEALERSHIPS ARCHIVES, CHEVROLET SERVICE NEWS ISSUES, CENTRAL OFFICE SERVICE BULLETINS, BODY BY FISHER SERVICE NEWS, SPECIAL SERVICE TOOL BULLETIN, PAPERS ARE NICE AND CLEAN, BULLETIN STACK IS ABOUT 1 1/4" HIGH, BOOK WEIGHS NEAR 4 LB. THERE IS A LOT OF BULLETINS. SOLD AS IS, YOU BUY YOU LIKE. IF THERE IS OLDER OR SOMETHING NEWER IN THERE, THEN SO BE IT.