Few others make use of Twitter just to tweet quotes, funny messages which will then be re-tweeted by another user. If you would like to make collection all these important tweets then here is a service that lets you to do so.
TweetBook is an online service that lets users to take backup of Twitter Tweets in PDF format.
Just select the date range and click on ‘Create Tweetbook‘. It will create Ebook of entire tweets in PDF format. You can then download the Ebook and view it whenever you want using any PDF reader.