hello Peter , i would like to apologize for taking so long to get back to you, but we’re currently with restricted internet.
while you are logged in, you should be able to open the courses page and access all the ESP32/ ESP8266 ebooks

• https://rntlab.com/courses/

or you can go directly to this page to download the ebook:

• https://rntlab.com/module-1/welcome-build-web-servers/

if you’re not happy with your order , I can issue a fill refund. we have a 60 days no questions asked money back guarantee.
regards
Rui