Can he call non-Muslims to Islam with the little knowledge that he has?

Difficulties facing a Christian girl who wants to take the decision to enter Islam

Wants to embrace Islam but has a girlfriend and children

Clever guess on the part of a Christian woman

She is in love with a Muslim and wants to marry him – does she have to become Muslim?

Wants to become Muslim but lives in drug country

Starting-point for one who wants to enter Islam

A Muslim working for an atheist