"World Link, Fourth Edition" by National Geographic Learning is a five-level English course for adult learners, ranging from beginner to upper-intermediate (CEFR A1-B2). It emphasizes fluency and communicative competence with integrated language skills and engaging content. The program uses National Geographic videos and digital resources on the Spark platform. Authored by Nancy Douglas, James R. Morgan, and John Hughes, it offers up to 90 teaching hours per level and fosters global awareness through diverse topics.Website: https://eltebook.com/world-link/https://www.pinterest.com/world_link/https://www.gta5-mods.com/users/worldlinkhttps://vimeo.com/worldlink1https://gravatar.com/worldlink4theditionhttps://issuu.com/worldlink1https://linktr.ee/worldlink4theditionhttps://about.me/worldlinkhttps://www.tumblr.com/worldlink4theditionhttps://worldlink4thedition.blogspot.com/https://profile.hatena.ne.jp/worldlink/https://b.hatena.ne.jp/worldlink/bookmarkhttps://talk.plesk.com/members/worldlink.358423/#abouthttps://groups.google.com/g/world_link/c/l7VFFUJkZuYhttps://sites.google.com/view/worldlink4thedition/homehttps://heylink.me/worldlink/https://www.instapaper.com/p/worldlinkhttps://beacons.ai/worldlinkhttps://my.archdaily.com/us/@world-link-4th-editionhttps://coub.com/worldlink