These stories typically revolve around the test of faith, the battle between the material and spiritual worlds, and the wisdom found in submission to the Divine.

Yusuf sat cross-legged, closing his eyes tightly. He wanted to see. He wanted the secret.

Gizli Ilimler Hazinesi Kitabı ile Bilgini Geliştir! - Trendyol

Volumes 3–5: Contain specific prayers, hizipler (litanies), and methods for spiritual advancement.