You can reach customer service by e-mail:  or by phone: 1-800-370-5838 with a detailed description of your problem or question. In order to facilitate troubleshooting, please include the following information in your correspondence:     

  1. Steps to  reproduce the problem (in as much detail as possible)     
  2. Exact  text of any error message (screen shots are helpful)    URL(s)  of any error page(s) you encounter     
  3. Transaction  ID     
  4. Date of sale     
  5. Title(s) of problem ebook(s)     
  6. Operating system (Windows Vista, Windows XP, etc.) 
  7. Internet  browser and version (Internet Explorer 8, Firefox 3, etc. In most browsers, find this under Help > About).     
  8. If applicable, device type and operating system  
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