Weakness of Faith by Muhammad Salih al-Munajjid (International Islamic Publishing House) is a concise Islamic guide that explains the causes, symptoms, and remedies of weak faith (īmān). Drawing on Qur’anic verses and authentic Prophetic teachings, it helps readers understand how faith can diminish and offers practical steps to strengthen one’s spiritual connection with Allah.

This book provides clear insight into nurturing sincerity, maintaining strong belief, and cultivating consistent worship, making it a valuable resource for anyone seeking to deepen their īmān and live with greater spiritual resilience.