This page lists a few easy-to-use web-based tools for generating tables, charts and other data visualizations that help you to tell a story with numbers.
Many come with built-in data for you to use. Others let you work with your own data.
Tools that focus on data mapping are listed under the 'Mapping' tab.
The Library has a number of books on the topic of 'Information visualization'. Here are just a few:
News about data visualization from the Flowing Data blog: