The best encyclopedia for boys and girls

Do you know what a black hole is? When did the first person appear on our planet and who invented television? Why do you always fall to the ground while the astronauts "fly" inside the space station? What bird can... fly backwards, and why do lizards have a tongue? You will find answers to these and many other questions in our illustrated encyclopedia! From this book you will find out when the first plane flew, where “ghost” monkeys live and how many teeth a shark has. You will see the largest flower and the smallest bird on Earth, read about an ancient reptile living in our time, and about a modern home robot. Forward to new knowledge and discoveries!