well apart from hacking exposed series there is another series..Hack Attacks series which include....

Hack Attacks revealed
Hack Attacks Denied
hack Attacks testing
hack attacks encyclopedia

currently i am reading Hack Attacks revealed ......

but believe me man if u want 2 b a real hacker after gaining knowledge from these books get on to practical testing......and i feel TCP/IP knowledge is a must for a hacker....and after getting the basic knowledge of hacking and TCP/IP from books move on to net man....thats the greatest help source i have ever found......