The book talks about the lives of several of the Al Sahabah companions and the Al Khulafaa Al Rashidoon Caliphs. It discusses their faith in Islam, the role each played in spreading Islam and the major accomplishments they made in their respective fields. At the end of each lesson is a collection of different evaluation questions designed to develop a student’s thinking and assist them in retaining what they have learned. This complete Islamic learning series of specialized subjects is directed to children 6 to 16 years of age. It uses a methodical style in presenting and connecting the subject’s information, and includes all Islamic teachings from the Prophets biography, stories from the Quran, and stories of the companions and followers. In addition to learning the Quran and Al Hadeeth Al Nabawi Al Shareef doctrine, each book contains twenty different titles written by the top scientists and educational experts in the various Islamic learning fields. The learning materials included in each book are reinforced by attractive colors and expressive drawings, designed to excite the reader and hold their attention. Each lesson also ends with a number of activities and different questions. This series can be taught in the private schools of Islamic communities, in summer clubs, and in centers for memorizing the Holy Quran.