These books are LIS Korea’s best-selling series. The 45 issues that are covered in the three books represent a significant array of topics of worldwide interest. The topics include habits, hobbies, vacation, family, friends, jobs, smoking and drinking, food, cars, sports, money, shopping, love, marriage, stress, retirement, crime and punishment, social pressure, environment, education, men and women, optimism and pessimism, conscience, morality, life and destiny, government, and others. Thus, the lessons touch on almost every subject of life that one will likely need to give an opinion on. Though the books contain 45 units, there are actually thousands of discussion points with interesting pictures accompanying the captions.