For Mpesa clients; follow these three simple steps:-
1. Go to Mpesa option of the toolkit on your phone and select send money.
2. Send Ksh 100 to +254 792890233 and immediately send an sms to the same number with the details of the book you want to buy.
3. Wait for an sms from HotEnton with a download link. click that link and enjoy the book on your phone or computer.