Appropriate for all introductory-to-intermediate courses in computer networking, the Internet, or Internet applications; students need no background in networking, operating systems, or advanced mathematics. Leading networking authority Douglas Comer presents a wide-ranging, self-contained tour of the concepts, principles, and technologies that enable today's Internet to support applications ranging from web browsing to telephony and multimedia. Comer begins by illuminating the applications a...

The highly acclaimed Practice of English Language Teaching is the essential guide for teachers of English in a wide range of contexts. The fifth edition has been revised to reflect new developments in language teaching. It explains current pedagogy to teachers who want to access the most relevant ELT practices and incorporate them into their lessons.