这是(shi)一套和全(quan)国统编(bian)(bian)小学语(yu)文(wen)(wen)教材对(dui)接、互补的课外读(du)本(ben)。“快乐(le)读(du)书(shu)(shu)吧”是(shi)统编(bian)(bian)语(yu)文(wen)(wen)教科书(shu)(shu)的一个栏(lan)目，目的是(shi)循序(xu)渐(jian)进地激发学生(sheng)阅(yue)读(du)兴(xing)趣和培养(yang)学生(sheng)阅(yue)读(du)能力，是(shi)统编(bian)(bian)语(yu)文(wen)(wen)教科书(shu)(shu)的重要组(zu)成部分(fen)。丛(cong)(cong)书(shu)(shu)冠以这个名字，是(shi)因为入(ru)选图(tu)书(shu)(shu)均是(shi)该栏(lan)目的推荐必读(du)图(tu)书(shu)(shu)。丛(cong)(cong)书(shu)(shu)语(yu)言优美(mei)，富有(you)童趣，配有(you)精(jing)美(mei)的插图(tu)，能极(ji)大(da)地增强学生(sheng)的阅(yue)读(du)兴(xing)趣，并促进其语(yu)文(wen)(wen)素质(zhi)和人文(wen)(wen)素养(yang)的全(quan)面发展。