An interesting book contains more than eighty means of da'wah in different fields of our life such as da'wah at home, masjed, school and work in addition to various means of da'wah. These books teach us that we should not confine da'wah to masjed but it should far exceed it to include all life's fields. Based on these means of da'wah, we can direct da'wah to everyone by easy ways. We should know that da'wah is a responsibility of every Muslim, the issue which encourages us to use these means efficiently.
A nice discussion of some important points needed by those callling to Islam
Source: http://www.islamhouse.com/p/1243
An advice and admonition to Muslim sisters about Hijab.
Author: Nawaal Bint Abdullah
Translators: Abdul Qaadir Abdul Khaaliq
Publisher: Islamic Propagation Office in Rabwah
Source: http://www.islamhouse.com/p/1325
Truly & Falsely Jesus In the Bible
Author: Saleh Ali Alsobiyl
Issues that the caller to Allah must obtain
Author: Muhammad ibn Saleh al-Othaimeen
By Shaykhul-Islaam Ibn Taymiyyah. Actions are distinguished, one from the other, with respect to their excellence in the Sight of Allaah in accordance with the condition of the heart, not by their number or form, but rather due to the strength of the caller, his truthfulness, his sincerity and the extent to which he prefer Allaah over himself…
Author: Sheikh-ul-Islam ibn Taymiyyah