Designed by the artist and architect Arja Renell, the memorial sculpture “Book” dedicated to the writer and professor Kalle Päätalo was completed in 2005. This sculpture was chosen as the environmental work of art of the year 2005.
According to Renell, the triangular shape of the Taivalkoski market gave her the idea of an open book, and the sculpture was then shaped into a two-part piece, one on either side of the market. On one side of the market, there is a sculpture of an open book; and on the other side, there is a park that consists of a sculpture of book pages. The pages of the books have cut-out shapes of human figures, representing the locals of Taivalkoski.