Undoubtedly, the heart leans towards those who are kind and gentle. It was said a long time ago: "Make your face happy and your words gentle, and you will be more beloved to the people than those who give them a gift". The one calling to the religion of Islam and dealing with other people has the utmost need to gather the people around him, and cause their hearts to lean towards him so that they will listen to him. Adorning himself with kindness and gentleness helps to achieve that goal with the grace of Allah.
Jesus and Christianity In the Perspective of Islam: This book guides those who misunderstood the teachings of Jesus and Christianity in the Perspective of Islam.
Publisher: Ministry of Islamic Affairs, Endowments, Da‘wah and Guidance
A Book detailing the rulings concerning Hajj and Umrah.
Author: Mahmoud Reda Morad Abu Romaisah
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1391
One of the most detailed books describing the rulings of Hajj, Umrah, and visiting the Masjid of the Prophet (peace be upon him).
Author: Sayid Sabiq
Source: http://www.islamhouse.com/p/1395
The "Islamic Studies" series of books by the prolific writer and scholar Dr. Bilal Philips are part of a meticulously written series intended to guide young Muslims in a manner that helps them acquire a thorough practical and spiritual foundation. This series have been generally acknowledged as an excellent introduction set to the principles of the Islamic faith, with core sciences discussed and explored, for both the new Muslim as well as the "old" Muslim wishing to brush up on the fundamentals.
Author: Abu Ameenah Bilal Philips
Common mistakes which some pilgrims make such as their wrong concepts in 'Aqeedah (Islamic Belief) relating Hajj. In addition to their mistakes in Hajj rites as Tawaaf, Sa'i, Shaving or Trimming, 'Arafah, Spending Night in Mina and Muzdalifah, and Stoning the Jamaraat. Finally, it talks about their mistakes in visiting the Prophet's Masjid in Madinah.