?Hi! Korean? is a series of integrated Korean coursebooks created for foreign learners who have started studying Korean because they like Korean culture. The contents of these textbooks include the latest trends in Korean culture, and various activities are presented so that learners can master the 4 areas of language; speaking, listening, reading, and writing. ?Hi! Korean 4B? is designed for learners to engage in area-by-area study of topics related to social and economic issues, Hangeul, popular Korean culture, and traditional Korean games, developing outward from simple communication so that speaking, listening, reading, and writing activities can be completed on in-depth topics. Additionally, to expand vocabulary, \"Today's Expression\" and lessons on idioms have been included, and for learners preparing for the TOPIK exam, each unit can be completed with practical writing activities.