This document provides an overview and lessons for a Microsoft Excel 2003 training course on creating workbooks. It covers creating a new workbook, entering and editing data, and inserting and deleting columns and rows. The three lessons are: 1) Meet the Workbook, which introduces workbooks, worksheets, columns, rows and cells; 2) Enter Data, about entering numbers, text, dates and times using keyboard shortcuts; and 3) Edit Data and Revise Worksheets, covering editing data, removing formatting, and inserting columns and rows. Practice questions and answers are included to test the user's understanding.