Price 25$ on Unity Asset Store: https://assetstore.unity.com/packages/3d/props/interior/modern-library-51829
But now you can download Modern Library FREE.
Modern Library v1.0
Interior of a modern library that could be used for a school, university, public center… There is a total of 50 models of books in a row, folders, furniture that includes two types of tables and four different models of chairs. There is a also a counter, typical posters and a simple outside scenario. The models or the whole scene is ideal for the creation of games.
– 1 Demo – Camera
– 50 Models / low poly
– Textures and materials
unityassetcollection.com – Get all paid Unity Asset for free