Written sometime between 1390 and 1440, it is in four parts, and is written in simple language, which perhaps ensured its popularity in the later Middle Ages.  
It is the classic expression of the movement founded by Gerhard Groote in the late 14th century usually known as Devotio Moderna.  Written sometime between 1390 and 1440, it is in four parts, and is written in simple language, which perhaps ensured its popularity in the later Middle Ages.  Exhorting readers to abandon materialistic life in favor of the spiritual, its authorship is in doubt, but it is usually ascribed to a Dutch monk of the Windsheim congregation.  FTP, name this spiritual guide that extols patterning oneself after Jesus, written by Thomas ?Kempis.
It is the classic expression of the movement founded by Gerhard Groote in the late 14th century usually known as Devotio Moderna.  
The Imitation of Christ or De Imitatione Christi