Need suggestion on book for Unix & shell scripting!

Hi,
I Am searching for a good book for learning Unix & Shell scripting.
The book should be easy to understand & helpful to beginners to professionals.
Thanking you in advance! :)

Hello SamsherR!

UNIX SHELLS by Ellie Quigley.
It has loads of examples and covers all the shells and well Linux shell scripting.

Please have a look at this webpage too.
http://freecomputerbooks.com/unixShellBooks.html

and

http://forums.techarena.in/ebooks/56...ght=unix+ebook
http://forums.techarena.in/ebooks/48...ght=unix+ebook
http://forums.techarena.in/ebooks/19...ght=unix+ebook
http://forums.techarena.in/ebooks/31...ght=unix+ebook