2nd Edition. — Susan Stempleski, Nancy Douglas, James R. Morgan. — National Geographic, Cengage Learning, 2012.
World Link is National Geographic Learning s best-selling core series for young adult/adult learners of English from the false beginner to high intermediate level. The second edition has been completely updated and enhanced to reflect modern teaching methods and user feedback. Combining dynamic vocabulary with essential grammar and universal topics, World Link, Second Edition, helps learners to communicate confidently and fluently.