I've recently bought (just this morning in fact

My screen resolution is fullHD 1080p. When I run the game the image is sharp and everything is great except that everything looks compressed in height and too wide. For example, a book in the Library looks like...
let me take a shot, I'll return... (there's an issue, see inside spoiler)
[Reveal] Spoiler:

No not like this... this is not what I took when I was playing!!!
I don't know what happened, now it looks like a real book, mine on my screen is square-shaped!
Here's a 2nd picture, I made a red square on the previous picture to show you how I'm seeing the book in-game
[Reveal] Spoiler:

Can you help me? I want to play the game and see the book as in the 1st picture and not as I see in-game (2nd picture's red square)!
Thanks