1. A Brief History of Time-Stephen Hawking: This book introduces the origin, evolution and future of the universe in an easy-to-understand way, which gives readers a deeper understanding of the mysteries of the universe.

2. A Brief History of Mankind-yuval harari: This book begins with the origin of human beings, tells the development course of human civilization and the possible future trend, and causes readers to think about human history and future.

3. Hacker and painter-paul graham: This book mainly introduces the basic principles of computer science and programming, and the importance of hacker culture and creativity. This is a good introductory book for middle school students who are interested in computer science.

4. The Origin of Species-Charles Darwin: This book is a classic work of Darwin, which introduces the theory and evidence of biological evolution in detail and is a must-read for middle school students interested in biology.

5. Principles of Physics-henry Henry Bekkerel: This book is a classic physics textbook, covering basic concepts and principles in the fields of mechanics, heat and electromagnetism. It is a good learning material for middle school students who are interested in physics.

6. The Mystery of Life-Richard Dawkins: This book mainly introduces the basic concepts and theories of genetics and evolution, and is a good popular science reading for middle school students interested in life science.