All Back Issue Windows CD-ROM Package includes: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 and 2021 Truck Index Gasoline, Diesel, and Import CD-ROM's. 22 CD-ROM's total. All files are in PDF format and all models are bookmarked for easy reference. Software License issued with each CD-ROM is for a Single User on one Computer only. Approx. total weight, 60 oz.