There are now two more titles available. Internet Core Protocols This title covers IP, TCP, ARP, Multicasting, ICMP and UDP. http://www.kalamazoolinux.org/librarydb/titleadd.php?title_id=79 Programming Python This title covers Python in detail. It is over 1200 pages. http://www.kalamazoolinux.org/librarydb/titleadd.php?title_id=78 Dirk