 As a result of the arrangement, Gummerus Oy became a shareholder in the new Bookwell Oy with a 20% holding.In May 2001 Gummerus Publishers acquired an independent, smaller publishing firm by the name of Ajatus Kustannusosakeyhtiö, and "Ajatus Kirjat" remains an editorially independent non-fiction entity within the main publishing firm.Karl Jacob Gummerus, "Kaarle Jaakko Gummerus, finnish", (April 13, 1840 Kokkola – March 20, 1898 Helsinki) begin to publish "Kyläkirjasto" reader in 1872.