2014 2015 2016 UnityEbookMaterial.7z

CRCPress C#Game Programming Cookbook for Unity3D (2014) probably for unity 4.6ish some of the stuff may still be relevant.
PACKT Getting Started With Unity 5 (2015) (duped sorry)
PACKT Building Levels In Unity (2015)
PACKT Shaders and Effects Cookbook (2016)
PACKT Unity 5.x Animation Cookbook (2016)
PACKT Unity 5.x Cookbook (2015)
PACKT Unity 5.x Game AI Programming Cookbook (2016)
PACKT Unity Animation Essentials (2015)
PACKT Unity Character Animation with Mecanim (2015)
MANNING Unity in Action (2015)