بسم الله الرحمان الرحيم
Futooh-ush-Shaam is a very great Kitaab authored by Imaam al-Waaqidi
رحمة الله عليه. It details the stories of how Sahaabah-e-Kiraam conquered the land of Shaam for the sake of Allaah Ta`aalaa and defeated the Roman Empire.
Many of the senior `Ulamaa like Hadhrat Thanvi, Maulana Maseehullah Khan (Hadhratji), Maulana Ilyaas, etc. would stress the importance of reading this Kitaab. There are numerous benefits to be attained from reading it.
The English translation of
Futooh-ush-Shaam done by Maulana Sulayman al-Kindi can be downloaded from the following link:
https://www.kalamullah.com/conquest-of-syria.html
والسلام