I want to learn Lisp; any books or site to learn from?

Depending on what sort of lisp you're wanting to learn, theres the Structure and Interpretation of Computer Programs.

It uses scheme (a varient of lisp) and though a bit . . . challenging, is excellent:

http://mitpress.mit.edu/sicp/

I wonder if you googled about this even a bit! There are quite good number of pages devoted exclusively to review & discussion of LISP books.

For starters: http://bc.tech.coop/lisp-books.htm

Practical Common Lisp - http://www.gigamonkeys.com/book/

The Little Schemer

The Reasoned Schemer

The Seasoned Schemer

ANSI Common LISP by Paul GRAHAM -> http://www.paulgraham.com/acl.html