1. National Postgraduate Entrance Examination English Zhenti and detailed explanation over the years: This book contains the Zhenti and detailed explanation of English Postgraduate Entrance Examination over the years, which is very useful information for candidates.

2. "A set of textbooks and problem sets for postgraduate mathematics": Mathematics is a subject that needs systematic study. This book provides a complete set of teaching materials and problem sets, which can help candidates review their mathematics knowledge systematically.

3. Postgraduate politics: Politics is one of the important subjects for postgraduate study. This book provides comprehensive knowledge points and exercises, which can help candidates review their political knowledge systematically.

4. One Pass of English for Postgraduate Entrance Examination: English is also one of the important subjects for Postgraduate Entrance Examination. This book provides comprehensive knowledge points and exercises, which can help candidates review their English knowledge systematically.

5. "One Pass for Postgraduate Entrance Examination": Different majors have different examination contents. This book provides knowledge points and exercises for various majors, which can help candidates systematically review their professional knowledge.

6. "Detailed explanation of the real questions of the postgraduate entrance examination over the years": This book makes a detailed analysis of the real questions of the postgraduate entrance examination over the years, which can help candidates understand the difficulty of the examination and the law of the questions.

7. Preparation Guide for Postgraduate Entrance Examination: This book provides comprehensive preparation guidance, including learning methods, time planning and psychological adjustment, which can help candidates prepare for the exam better.

The above are just some recommended books, and the specific choice needs to be decided according to personal circumstances and needs.