Kitaab Sifat as-Salaat by shaykhul Islam ibn Taymiyyah

Sheikhul-Islam ibn Taymiyyah left a legacy of science that will forever mark the Ummah. However there is a field of science whose absence is sorely out: a complete book of Fiqh written by the hand of Shaykh.

The thing that is closest to his explanation of Umdah al-Fiqh by ibn Qudama. We do not have the entire Sharh unfortunately. But here by the part in the description of prayer! Do not miss!