num_pages: 66
description: Explains the counting systems of the ancient Egyptians, Babylonians, Mayans, Greeks, and Hindus, describes the operation of an abacus and a computer, and deciphers an imaginary Martian code
language: English
title: How to Count Like a Martian
titlecomplete: How to Count Like a Martian
ratings_count: 5
publisher: Random House Childrens Books