A series of powerpoint slides John used for tutorials, plus postscript versions, can be found at ftp://ftp.scriptics.com/pub/tcl/doc/tut.tar.Z .
... of Caryanda[?] - a Greek explorer sent by the king of Persia to sail down the Indus River and around Arabia to Egypt Ernest Shackleton, (1874-1922), attempted to reac ...