I liked, "The complete book of Chess Strategy" by IM Jeremy Silman.
Free Chess E-Books
Sort:
Most Recent
Forum Legend
Following
New Comments
Locked Topic
Pinned Topic
I found something which might be very useful for most of you...
https://archive.org/details/folkscanomy_chess
This link will give you access to download many good chess ebooks by some best publishers like Quality Chess, Everyman Chess etc.
Also tell which book you liked the most!
Thanks.