'Book House') is a commercial building located on the corner of Pohjoisesplanadi and Keskuskatu in central Helsinki, Finland.

[2] Possibly its best-known resident is the flagship store of the Academic Bookstore chain.

[2] In 1961, the plot's owner, retail company Stockmann, whose main department store is located across the street, announced an architectural competition for the design of a new mixed-use property on the site.

[1] Both the copper-clad exterior, and the central atrium concept of the building's interior, were designed to match those of the Rautatalo.

[1] The central space making up the atrium receives natural illumination from the skylights extending downwards from the roof.