How to use a semicolon, the most feared punctuation on earth. ~ The Oatmeal The Oatmeal does many awesome comics that range in topic. He also happens to love grammar, and I look forward to the day he publishes a text book.
For my teacher friends: FREE ONLINE PUNCTUATION GAME~ Students play Trapped! It's a fun, interactive game from the BBC that provides great practice in punctuation skills. Students can listen or read subtitles.