Yes, you can find practice books that compile previous years' papers with detailed explanations. These books are a valuable resource for exam preparation as they provide a comprehensive understanding of the exam pattern, types of questions asked, and the level of difficulty. Here is a detailed explanation of how to find such books:

1. Visit EduRev's website:
- Start by visiting the EduRev website, which is a trusted platform for educational resources and materials.

2. Explore the UPSC section:
- Look for the UPSC category or section on the website. This section is specifically dedicated to UPSC exam preparation.

3. Search for practice books:
- Within the UPSC section, search for books or study materials that compile previous years' papers. These books are often designed to provide detailed explanations along with the question papers.

4. Check book descriptions:
- Read the descriptions of the books to find out if they include detailed explanations. Look for keywords like "detailed solutions," "exhaustive explanations," or "comprehensive analysis."

5. Read reviews and ratings:
- Before making a purchase, it is advisable to read the reviews and ratings given by other users. This will give you an idea of the quality of the content and the usefulness of the book.

6. Look for sample chapters:
- Some websites may provide sample chapters or excerpts from the book. This will allow you to assess the quality of the content and decide if it meets your requirements.

7. Compare prices and editions:
- Compare the prices of different books available on the website. Additionally, check if there are different editions available, as newer editions may include updated content and recent question papers.

8. Make a purchase:
- Once you have selected a suitable book, add it to your cart and proceed to the checkout page. Follow the instructions on the website to complete the purchase.

By following these steps on EduRev's website, you can easily find practice books that compile previous years' papers with detailed explanations for UPSC exam preparation. Remember to make an informed decision by reading reviews, comparing prices, and checking for sample chapters.