It's a lowpoly game ready set of books with unwrapped UVs and PBR textures.
UVs:channel 1: non-overlappingTextures resolution: 2048*2048
There is one texture set for all books for optimizationTextures set includes:
Metal_Roughness: BaseColor, Roughness, Metallic, Normal, Height (PNG)Unreal Engine: BaseColor, OcclusionRoughnessMetallic, Normal. (TGA)
Units: cm