With the rapid development of society and Internet, while enjoying the information dividend, we are also facing the troubles caused by the information surplus. Everyone will encounter different difficulties and obstacles. Among many obstacles, how to screen the learning content and how to keep the learning process efficient is the most headache for users. Some books have insight into this pain point and output solutions.

The content system of books includes book sharing, audio books, e-books, courses, live broadcasts and other forms. In terms of content screening, the book bar provides users with selected book lists, high-quality courses and good learning experience by signing up high-quality publishing houses, integrating famous teachers' resources and cultivating content production teams, so that users can "stay on track" in the process of growth and really get what they want.

On the one hand, this book upgrade can continuously integrate knowledge services and products in different fields and stages, on the other hand, it can help users with lifelong growth will design growth plans for them and help them grow.