David Berube 
Practical Reporting with Ruby and Rails [PDF ebook] 

Introducing Reporting with Ruby.- Data Access Fundamentals.- Calculating Statistics with Active Record.- Creating Graphs with Ruby.- Creating Reports on the Desktop.- Connecting Your Reports to the World.- Examples of Reporting with Ruby.- Tracking Auctions with e Bay.- Tracking Expenditures with Pay Pal.- Creating Sales Performance Reports with Sugar CRM.- Investment Tracking with Fidelity.- Calculating Costs by Analyzing Apache Web Logs.- Tracking the News with Google News.- Creating Reports with Ruby and Microsoft Office.- Tracking Your Ads with Google Ad Words.

David Berube is a Ruby developer, trainer, author, and speaker. He’s used both Ruby and Ruby on Rails for several years, starting in 2003 when he became a Ruby advocate after he wrote about the language for Dr Dobb’s Journal. Prior to this, he worked professionally with PHP, Perl, C++, and Visual Basic. His professional accomplishments include creating the Ruby on Rails engine for Cool Ruby.com, a site that tracks the latest Ruby developments, and working with Thought Bot.com on the Rails engine that powers Sermo America’s Top Doctor contest. Additionally, he has worked on several other Ruby projects, including the engine powering Cyber Know How’s Bird Flu Breaking News search engine, and he also created the Slueshi text adventure game system, a multiplayer text game engine written in Ruby. David’s journalism has been in print in over 65 countries, in magazines such as Linux Magazine, Dr Dobb’s Journal, and PHP International Magazine. He’s also taught college courses and spoken publicly on topics such as ‘My SQL and You’ and ‘Making Money with Open Source Software.’ He lives in New Hampshire and his hobbies include basketball, yo-yos, and sleep.