The ISBN printed on and in this book, 1850107104, is erroneous. The site www.isbn-check.com shows that it fails the ISBN checksum test. The correct ISBN is 1850107904. The book descriptions available on the web match the book. From the cover: ISUZU PICKUPS AND TROOPER; 1981 thru 1991; 2WD and 4WD; Four-cylinder inline and V6 gasoline engines; Automotive Repair Manual; EVERY MANUAL BASED ON A COMPLETE TEARDOWN AND REBUILD