Programming Spiders, Bots, And Aggregators In Java

Does anyone have?

Programming Spiders, Bots, and Aggregators in Java
by Jeff Heaton

Thanks!
I.am

ps: Looking for books to help in writing efficient web-bots

Not java, its Perl...

http://www.WiredBots.com/

Thanks DB, But I am talking about a different kind of bot. That crawls on the web for packets.