How to finish reading a book quickly and efficiently?

If you want to finish reading a book faster, the first thing is to read the preface and table of contents carefully. Deciding the reading speed can be judged by the preface; After that, only the first 5 lines and the last 5 lines are read. If you master the title structure, you can decide to skip reading units, but it is difficult to decide whether to skip reading chapters, only looking at the first 5 lines and the last 5 lines; Finally, determine the keywords before reading. Think clearly about "what I want" and only get the information I need. Search and read by keywords; This can be faster and more efficient, and finish reading a book. It is also more convenient. Use a variety of reading rhythms to read, shift gears at any time, and read in an appropriate order.