CDX eTextbook is hosted and funded by CDX Global, publishers and distributors  of CDX General Service and CDX Automotive Resource Kit, the world's best-selling multimedia learning programs for the automotive industry.

CDX eTextbook has been compiled and edited for CDX Global by master instructors and authors Ian Andrew and Ron Beaumont.

Most of the content for this site has been specifically created for it, or donated from pre-existing publications by CDX Global.
Additional material has been sourced from other GNU licensed content sources, including Wikipedia online encyclopedia.

All material in this site is published under the GNU Free Documentation License.