"Say, 'We believe in Allah and that which has been revealed to us, and that which was revealed to Abraham and Ishmael and Isaac and Jacob and the tribes, and in that which was given to Moses and Jesus and other Prophets from their Lord. We make no distinction between any of them and to Him we submit.'" (The Holy Qur’ân 3-85)

Six main Articles of faith in Islam :

1. To believe in the Oneness of Allah
2. To believe in all His Angels
3. To believe in all His Books
4. To believe in all His Prophets
5. To believe in the Day of Resurrection
6. To believe in the Decree of Allah

The Five Pillars of Islam (Declaration of the Islamic Faith):

In order to enter into the fold of Islam i.e. to be Muslim, one has to know, believe, accept totally and sincerely apply the five basic principles (Pillars) on which Islam is based: Ibn Umar narrated that the Messenger of Allah - Prophet Muhammad (peace and blessings of Allah be on him) said: Islam is based on the following five pillars (principles).

1. Bearing witness that there is no God but Allah and that Muhammad is the Messenger of Allah
2. Observance of Prayer
3. Paying Zakat
4. Fasting during Ramadan
5. Pilgrimage to the house of Allah

Some Books on Islam:

• Why I believe in Islam ( Why Islam - an article)
• Islam - Peaceful Religion - A Lecture by Hadrat Mirza Masroor Ahmad, Khalifatul Masih V, Supreme Head of the Worldwide Ahmadiyya Muslim Community delivered at the University D'Abomey - CALAVI Cotonou, Benin, During his visit to Ghana, Burkino Faso, Benin and Nigeria (PDF File)
• Philosophy of the Teachings of Islam (PDF)
• Essence of Islam: Vol: I, Vol: II, Vol: III, Vol: IV, Vol: V
• An Elementary Study of Islam
• Message of Islam
• Islam my religion
• Why Islam is my choice? - Personal accounts of spiritual journeys (pdf)

More books and articles are available at http://www.alislam.org/library/