There are several good books available for preparing for the SSC JE (Staff Selection Commission Junior Engineer) exam in the Civil Engineering discipline. These books cover all the necessary topics and concepts required to excel in the exam. Here are some of the best books for SSC JE Civil preparation:

1. "SSC JE Civil Engineering" by RPH Editorial Board:
- This comprehensive book covers all the topics as per the latest syllabus of the exam.
- It includes a large number of solved examples and practice questions for each topic.
- The book also contains previous years' question papers for better understanding and practice.

2. "SSC JE Civil Engineering" by GK Publications:
- This book provides a detailed explanation of all the topics with the help of illustrations and diagrams.
- It includes practice sets and solved papers to enhance problem-solving skills.
- The book also offers tips and strategies to tackle the exam effectively.

3. "SSC JE Civil Engineering" by Arihant Experts:
- This book is designed as per the latest exam pattern and syllabus.
- It includes theory-based concepts along with solved examples for better understanding.
- The book also provides previous years' question papers and practice sets for thorough practice.

4. "SSC JE Civil Engineering" by Kiran Prakashan:
- This book covers all the important topics in a concise and easy-to-understand manner.
- It offers a large number of practice questions with detailed solutions.
- The book also includes a separate section for general awareness and general intelligence.

5. "SSC JE Civil Engineering" by EduRev:
- This book is available on the EduRev platform, which is a trusted educational website.
- It provides comprehensive study material, including video lectures, notes, and practice questions.
- The platform also allows users to interact with educators and fellow aspirants to clarify doubts.

In addition to these books, it is also important to refer to the official SSC JE syllabus and previous years' question papers. Regular practice and revision are key to success in the exam. It is advisable to solve as many mock tests as possible to improve time management and accuracy.

Remember, while these books are highly recommended, it is essential to choose a study material that suits your learning style and preferences.