Google Apps Script for Beginners (2014)
Chapter 1. Enhancing Spreadsheets
Chapter 2. Create and Manipulate Forms
Chapter 3. Managing an E-mail Account
Chapter 4. Embedding Scripts in Text Documents
Chapter 5. Embedding Scripts in Google Sites
Chapter 6. Standalone Web Applications / User Interfaces
Chapter 7. Using User Interfaces in Spreadsheets and Documents
Chapter 8. How to Expand your Knowledge