41 Publishing and Electronic Publishing of Books, [ Journals, Periodicals, Almanacs, ] Instruction and Teaching Material in the Fields of [ Maritime Heritage, Ship Design and Construction, ] Naval Military History, [ General Military, Military History, Military Strategy and Biography, Aviation History, ] Exploration, Mountaineering, Travel [, Sailing, Railway and Scale Modelling ] ; Providing a Website Featuring Non-downloadable Books, [ Magazines, Journals, and Photographs ] in the Fields of [ Maritime Heritage, Ship Design and Construction, ] Naval Military History, [ General Military, Military History, Military Strategy and Biography, Aviation History,] Exploration, Mountaineering, Travel [, Sailing, Railway and Scale Modelling ; Publication of Electronic Books Online in the Fields of Maritime Heritage, Ship Design and Construction, Naval Military History, General Military, Military History, Military Strategy and Biography, Aviation History, Exploration, Mountaineering, Travel, Sailing, Railway and Scale Modelling ] ; Publication of Literary Materials, Reference Materials, and Education Materials, namely, Books, [ Journals, Periodicals, Almanacs, ] in the Fields of [ Maritime Heritage, Ship Design and Construction, ] Naval Military History, [ General Military, Military History, Military Strategy and Biography, Aviation History, ] Exploration, Mountaineering, Travel, [ Sailing, Railway and Scale Modelling ] Available on Discussion Forums; Providing Non-Downloadable Electronic Publications, namely, Books, [ Journals, Periodicals, Almanacs, ] Instruction and Teaching Material in the Fields of [ Maritime Heritage, Ship Design and Construction, ] Naval Military History, [ General Military, Military History, Military Strategy and Biography, Aviation History, ] Exploration, Mountaineering, Travel [, Sailing, Railway and Scale Modelling ]