Every type of pen, brush, ink, and drawing surface is detailed, and every technique is demonstrated, including mixing ink with other mediums....http://books.google.com/books/about/The_Pen_Ink_Book.html?id=F9AXAQAAMAAJ&utm_source=gb-gplus-shareThe Pen & Ink BookMy libraryHelpAdvanced Book SearchGet print bookNo eBook availableAmazon.comBarnes&Noble.comBooks-A-MillionIndieBoundFind in a libraryAll s