This book handles the issue of bid’ah (innovation in Islam) through the following points: (1) Categories of people who practice innovations (2) Satan’s attempts to destroy the son of Adam through seven phases (3) Completion of Islam (4) What is bid’ah? (5) The stance of Shari’ah regarding religious innovations (6) Statements of scholars who condemned bid’ah practices (7) Proofs used by some to support their devious practices (8) Reasons for spreading bid’ah (9) Prerequisites for acceptance of good deeds (10) Dangers of bid’ah.