Every page of How It Works issues 1-12 on one amazing DVD!
For those who missed out on the early editions of How It Works magazine, this fully searchable DVD-ROM features the complete collection of articles from the first 12 issues. Playable on a PC or Mac.
Every fascinating fact and answer from the first 12 issues of How It Works.
Browse by keyword or by topic.
Every cutaway and illustration from the magazine.
Great desktop backgrounds and wallpapers for PC, Mac, iPhone and iPad.