One of the recent tasks in our writers' group was to write an acrostic in three minutes. What's an acrostic? Well, what you do is choose a word and write it vertically down the page. Then from each letter you write a word or line horizontally, with the aim of describing the vertical word. So if I wrote a very basic acrostic for Harvey I could say something like this:
Here you can read more about acrostics, their use in mnemonics, poetry and coded messages. The thing is, once you start playing with acrostics they soon become addictive! Try it. It's fun!