Contact 

Tech  Lectures  tries to  provide material that is excellent in content and much can be learned as well as affordability in price.
Most problems incurred is the delivery of your order in a timely manner.  Please realize in most cases, this is a post office concern as we cannot predict the time you will receive your order in the mail.
If you have questions or concerns you can contact us by:
email:  info@techlectures.com
Phone:  303-984-9877
Address:   6815 Winter Lake Street,  San Antonio, TX  78244