There are several books available specifically for RBI Assistant exam preparation, written by renowned authors and published by reputed publishers. These books cover all the important topics and provide comprehensive study material for the exam. Let's explore some of these books in detail:

1. "RBI Assistant Preliminary Exam Guide" by Disha Publications:
- This book is authored by a team of experts and covers all the sections of the RBI Assistant preliminary exam.
- It includes detailed explanations and solved examples for better understanding.
- The book also provides practice sets and previous year question papers to enhance the exam preparation.

2. "Target RBI Assistant (Preliminary & Main) Exam" by Disha Publications:
- This book is designed to provide a complete preparation strategy for both the preliminary and main exams of RBI Assistant.
- It includes chapter-wise theory, practice questions, and solved examples for each topic.
- The book also provides mock tests, previous year question papers, and online resources for better preparation.

3. "RBI Assistant Preliminary Exam Guide" by Arihant Publications:
- Authored by a team of experts, this book covers all the sections of the RBI Assistant preliminary exam.
- It provides detailed theory, practice questions, and solved examples for each topic.
- The book also includes previous year question papers and mock tests to evaluate the preparation level.

4. "RBI Assistant Exam Guide" by Ramesh Publishing House:
- This book covers all the sections of the RBI Assistant exam, including both preliminary and main exams.
- It includes chapter-wise theory, practice questions, and solved examples for better understanding.
- The book also provides previous year question papers and model papers for self-assessment.

5. "RBI Assistant Exam Guide" by Upkar Prakashan:
- Authored by a team of experts, this book covers all the sections of the RBI Assistant exam.
- It includes chapter-wise theory, practice questions, and solved examples to help candidates grasp the concepts effectively.
- The book also provides previous year question papers and mock tests for thorough practice.

These books are widely used by aspirants preparing for the RBI Assistant exam and have been recommended by successful candidates. They provide comprehensive study material, practice questions, and mock tests to help candidates prepare effectively for the exam. Aspirants can choose the book that suits their requirements and preferences to enhance their preparation and increase their chances of success in the RBI Assistant exam.