This book is a summary of the book; Adz-Dzikru wa ad-du'a' wal 'ilaj bi ar-ruqa min al-kitab wa as-sunnah. We only quote from the dhikr section, for easy portability when traveling.
In fact, we are only quoting dhikr sentences. For concrete hadith data collection. We cite one or two bibliographical sources from the original book. Whoever wants to know a friend (who narrated the hadith), or additional input in the data collection, then he should open the original book again.
We ask Allah ﷻ, the Most Exalted, the Most High with Asma'ul husna and His Most High attributes, to make this book sincere because of Him, useful for me in life and after death. Beneficial for people who read or print it, and for the spread of this book. Verily, Allah ﷻ, the Most Holy, the Most Powerful to do it.
May peace and blessings be upon our Prophet Muhammad ﷺ, his family, companions and those who followed them well until the Day of Judgment.