The local library in Kingston, London has a collection of nearly 10,000 books. These books cover many different subjects. When I walk into the library, I can see that there are signs hanging from the ceiling, which help to identify the different book categories, such as novels, history, arts, technology, and cooking. So, if I know the type of book I am looking for, I can easily go to the relevant section. Each of these sections has multiple bookshelves. These bookshelves are further categorized into subcategories. At the top of each bookshelf, there is a sign describing which subcategory it belongs to. As an example, the history section has bookshelves with categories such as History of Europe, History of Asia, and World History. This makes book selection even easier—telling me exactly which bookshelves to look for. When I go to a bookshelf, the...
Germany
Slovakia
Canada
Brazil
Singapore
Hungary
Philippines
Mexico
Thailand
Ukraine
Luxembourg
Estonia
Lithuania
Norway
Chile
United States
Great Britain
India
Spain
South Korea
Ecuador
Colombia
Taiwan
Switzerland
Indonesia
Cyprus
Denmark
Finland
Poland
Malta
Czechia
New Zealand
Austria
Turkey
France
Sweden
Italy
Egypt
Belgium
Portugal
Slovenia
Ireland
Romania
Greece
Argentina
Malaysia
South Africa
Netherlands
Bulgaria
Latvia
Australia
Japan
Russia