"Muntakhab Ahadith : A Selection of Ahadith Relating to the Six Qualities of Da'wa", compiled by Shaikh Muhammad Yusuf al-Kandhlawi, organized by Shaikh Muhammad Saad al-Kandahlawi. The hadith are printed in Arabic, with translation (and, if available, explanation) in English. A valuable addition to any Islamic library and excellent for hadith studies.
This book was originally done in Arabic by Shaikh Muhammad Yusuf al-Kandahlawi during the last phase of his devoted life. He collected all the relevant principles, rules and precautions from their original sources.