Author: Udi Aharoni      Illustrations: Gil Troitsa

A book for computer-loving kids 9+



The book’s colorful and imaginative metaphors offer an insightful glimpse inside the inner workings of a computer. It also has an appendix, the ‘Zutopedia,’ which explains computer related concepts and the truth behind the story: how malware works, and the role of firewalls, binary numbers, IP addresses and many other things.
Zuto: firewall

This site has some more explanations and interactive animations.

Clear here to start a tour: interactive demo of binary and hexadecimal numbers.



Or visit for the author’s home page with animated videos