This small colorful booklet goes over all the basics of Islam. It is very good for non-Muslims as well as for Muslims.
Following most basic and important topics about Islam are explained in this book in a very simple way:
Islam
Islam
Allah
Prophet Muhammad (Allah's peace & blessings upon him)
Iman (Belief)
The Noble Quran
The Five Pillars of Islam: Shahadah, Prayer, Zakat, Fasting, Hajj (Pilgrimage)
The Mosque
Manners of a Muslim