This small book (ca. 35,000 words) is part of Oxford University VSI (very short introductions) Series.

It is  the best entry-level reading to approach the tetralogy project on the foundations of the philosophy of information. The reader interested in a more advanced book may find The Philosophy of Information and The Ethics of information interesting.

The book covers the following topics:
1: The information revolution
2: The language of information
3: Mathematical information
4: Semantic information
5: Physical information
6: Biological information
7: Economic information
8: The ethics of information

The book is meant for the educated public and can be used as a textbook for a first-year course.

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