2001 - Poor Richard's Creating Ebooks (Paperback) ISBN-13: 9781930082021 ISBN-10: 1930082029 Genres: Business & Money, Computers & Technology, Reference ? 1990 - The First Book of Microsoft Excel for the Pc (Paperback) ISBN-13: 9780672273223 ISBN-10: 0672273225 Genres: Business & Money, Computers & Technology ? The Ucsd Psystem on the Ibm Pc (Paperback) ISBN-13: 9780139354045 ISBN-10: 0139354042 Genre: Science & Math ? |