The Book of Knowledge is said to contain the entire Ihya. In this book, Imam al-Ghazali’s teachings and metaphors are presented in story form for children of any age, but the stories are also suitable for furthering the spiritual lives of both parents and teachers. There are several themes repeated throughout the forty stories to emphasize their importance. 

Titles include;
True Learning,
The purpose of our brief lives,
The Two Worlds,
Trust in God’s Will
The polishing of the Spiritual Heart through self observation and correction and
Key virtues and harmful vices