The book focuses on addressing ten important issues between Shiʿa and Sunnis, aiming to strengthen unity between the two Islamic denominations. The chapters cover topics such as the preservation of the Qurʾān, taqiyya (concealing beliefs), the evaluation of the Companions of the Prophet, visiting graves, temporary marriage, and various jurisprudential rulings. Makārim Shīrāzī supports his arguments with evidence from both Shiʿa and Sunni sources, with a total of 62 references cited.