How can I show Arabic text in my e-books?lig

[#1]

To whom it may concern,

I downloaded an Arabic dictionary in Epub form and the arabic text isn't showing:- http://prntscr.com/m6a5z7

http://prntscr.com/m6a5z7

I would very much like to know how to fix this issue as soon as possible.

Thank you in advance for your response.