Saimum Series is a thriller novel series written by Bangladeshi author Abul Asad. This series contains references to history, geography and cultures of different countries, especially Islamic history, references to Islamic culture. ‘Saimum Series’ is one of the most popular series in Bangladesh. Like other series it is not just a thriller series. This series is about history, geography, culture of different countries especially Islamic history and culture, Islamic world, current situation of Muslims in different countries. Abul Asad started this series in 1986 with 'Operation Tel Aviv-1'.