Universal Windows Platform (UWP) is an application programming interface (API) designed by Microsoft to develop universal applications that run on Windows 10, Windows 10 Mobile, Xbox One and HoloLens without the need to be re-written for each system.
Here are books about Universal Windows Platform (UWP).
Building Apps For The Universal Windows Platform
Author: Ayan Chatterjee
Price: US $40
On sale @ Amazon.
Shop @ Apress.