- Libro electrónicoWherever You Are In The World You Are An InventorLiam M Birkett
- Libro electrónicoQuick Guide To Becoming An InventorLiam M Birkett
- Libro electrónicoHow to Create a Trade Mark, Protect it and Build your BrandLiam M Birkett
- Libro electrónicoQuick Guide To Building And Protecting Your BrandLiam M Birkett