The book "Letters of Somali Leaders to Shaikh Sultan Bin Saqer Al Qasimi (1837)" was authored and edited by Dr. Sultan Bin Muhammad Al-Qasimi. It contains a 1837 letter from Somali leaders to the Ruler of Sharjah and Ras Al Khaimah, asking for his assistance against British colonial expansion. The book provides analysis of the letter, the history of the period, and the tribes inhabiting northern Somalia.