What is the almost spherical shape of our planet called? Which sailor is associated with the first circumnavigation of the Earth? What color is a ruby? Which natural number has no preceding natural number? What color bodies absorb more heat? Which chess piece can move over the others? What is the smallest even number that is composite? What part of speech is the word "once"? In which cell is there a cell wall? Where was the Friendly Society founded in 1814?

These questions and many others relating to language, mathematics, science, history, and geography that are taught to children in the 6th grade, as well as general knowledge and entertainment, can be found in this original book along with their answers.

In its pages, you will find a total of 600 multiple-choice questions, arranged in 30 quizzes of 20 questions each. Additionally, the book contains 60 texts with information about countries of the Earth. The book is aimed at children aged 11 and up, as well as adults, offering knowledge with fun!