Prayer and Purification (Pocketsize) by Dar-us-Salam Research Division is a compact and portable guide designed to help Muslims understand and perform the essential acts of worship, including prayer (Salah) and purification (Taharah). Here are some key features and themes of the book:

1. Comprehensive Coverage: The book covers the basic and essential aspects of Islamic prayer and purification, providing detailed explanations of the various acts of worship.

2. Step-by-Step Instructions: It offers step-by-step instructions on how to perform Wudu (ablution), Ghusl (full-body purification), and Salah. This includes descriptions to ensure clarity and ease of understanding.

3. Essential Duas and Supplications: The book includes essential supplications and duas (prayers) that are recited during Wudu and Salah. These are provided in Arabic with English translations.

4. Ritual Purity: Detailed guidance is provided on maintaining ritual purity, including the rules for different types of impurities and how to cleanse oneself from them.

5. Small and Portable: Designed in a pocket-sized format, this book is easy to carry, making it convenient for use at home, in the mosque, or while traveling.

6. Educational Tool: It serves as a valuable educational tool for new Muslims, children, and anyone seeking to refresh their knowledge of Islamic worship practices.

7. Practical Guidance: The book provides practical advice on common issues related to prayer and purification, addressing frequently asked questions and concerns.

8. Islamic Rulings: It includes references to relevant Islamic rulings and principles, helping readers understand the religious significance and requirements of these acts of worship.

"Prayer and Purification (Pocketsize)" by Dar-us-Salam Research Division is a handy and informative guide that helps Muslims perform their daily acts of worship correctly and with proper understanding. Its portability and comprehensive content make it an ideal companion for anyone seeking to fulfill their religious duties.