00291nam 2215235 450000100060000000300230000600500090002900800410003808200110007910000300009026000270012024500240014715235StarLibrary Marc Built20180503201711 ||||| |||||||||||amh  a005.29 aT. J. Oleary L. I. Oleary bNEW YORK: M-G.H c1997 aComputer Essentials