Review: Unreal Engine 4 Virtual Reality Projects: Build immersive, real-world VR applications using UE4, C++, and Unreal Blueprints by Kevin Mack and Robert Ruud
This book right here is gold for anyone wanting to get into virtual reality development with Unreal. There is not a lot of handholding, you are expected to understand the basics of using Unreal to get the most out of the book. Rather than trying to explain programming