Howtoons : tools of mass construction / Dr. Saul Griffith, co-creator, writer & engineer ; Nick Dragotta, co-creator, writer & artist ; Ingrid Dragotta, project & book design ; Arwen Griffith, editor ; Joost Bonsen, co-creator & writer.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.