on NUMBER aug NUMBER rosso wrote does anyone here know if the computational recreations columns from scientific american in the NUMBER s NUMBER s were compiled into a book or two i think i remember martin gardner publishing the earlier mathematical recreations in a couple of hard covers but i m unsure about the later column help not sure about mg though i know pretty much everything he penned got into print at one time or another sa needs to do what national geo did and put out thier back issues on cd post mg in the NUMBER s there were the colums by a k dewdney that i dug a bunch put into a book called turing omnibus and then there is of course all the goodens put out by dougy hoffstadler URL 