BONUS CONTENT European countries and their codes according to the international standard ISO 3166-1. This content is associated with Chapter 11 of the book.
| AL | Albania |
| AD | Andorra |
| AT | Austria |
| BA | Bosnia and Herzegovina |
| BE | Belgium |
| BG | Bulgaria |
| BY | Belarus |
| CH | Switzerland |
| CY | Cyprus |
| CZ | Czech Republic |
| DK | Denmark |
| EE | Estonia |
| ES | Spain |
| FI | Finland |
| FR | France |
| DE | Germany |
| GB | United Kingdom |
| GL | Greenland |
| GR | Greece |
| HR | Croatia |
| HU | Hungary |
| IE | Ireland |
| IS | Iceland |
| IT | Italy |
| LI | Liechtenstein |
| LT | Lithuania |
| LU | Luxembourg |
| LV | Latvia |
| MD | Moldova |
| ME | Montenegro |
| MK | Macedonia |
| MT | Malta |
| NL | Netherlands |
| NO | Norway |
| PL | Poland |
| PT | Portugal |
| RO | Romania |
| RS | Serbia |
| RU | Russia |
| SE | Sweden |
| SI | Slovenia |
| SK | Slovakia |
| TR | Turkey |
| UA | Ukraine |
| AU | Australia |
| BR | Brazil |
| CA | Canada |
| CN | China |
| IN | India |
| JP | Japan |
| MX | Mexico |
| US | United States of America |
| ZA | South Africa |