A【语篇导读】本文向读者推荐了电子图书馆 Blinkist上的几本书。21.A【解析】推理判断题。根据表格第一栏中who deal particularly well with the world around them. It further explains that by adopting a set of principles that help many successful people lead fulfilling lives可知,这本书的内容可以帮助许多成功人士过上充实的生活,由此推知这本书最有可能吸引那些成功人士。故选A。