Rate the Quality & Difficulty of the Book

[sahilmm15]

HI! Can you rate the book i mentioned below in terms of quality of concepts and the problems given. What do you think about the difficulty of the book?(For a moderately beginner person). Thanks!
The link is ..

[Moderator's note: link removed].

 

[Baluncore]

I am not going to open a blind link to an unknown target.
Please refer to the title year and author.