Digital books recovery process

It has been a long road, and this is a very exciting moment for us.
Thank you for your patience.
Our new online digital book system is up and running.

Now your books will be accessible via the web on a PC/Mac, Android, iPad and iPhone.
You can now take your books everywhere you go.

Here is a step-by-step guide to recovering your previously purchased books.

Step 1.
Go to

Step 2.
Register an account.
Click on the register button on the top right (see image below).

Step 3.
Confirm your account.
You will get a confirmation email, please check your junk mail if you cannot find it.

Step 4.
Email us your previous purchases.*
Send your receipt(s) to .

*Searching through your emails should be the easiest way. Search for emails from “” or ““.
If have trouble with your emails you can find your purchase history here:

Step 5.
Wait for confirmation.
We will email you when your books are ready to use.

Step 6.
Access your books!
You can login at to view your books on the web, or download our “Aviation Theory” app from Google Play/ Apple App Store.

Close Menu