u COLLECTIONS look at a particular
group of things such as beetles and bugs
( p. 116–117), flags, and mammals.
u DETAILED MAPS accompany features about
countries and continents ( p. 128–153). These
are packed with facts and figures about the
geography, people, and cultures of the region.
u GENERAL ARTICLES focus on particular
topics of interest ( p. 196–197). Many have
timelines that chronicle key stages in development,
fact boxes, and picture features.
u FACT FILES take an in-depth look at one
topic, such as electric cars ( p. 258–259). They
detail all you need to know about the subject.
AfricaAfrica is often called the “birthplace of humankind.”
That’s because human beings originated from Africa several million years ago, although humans as we
would recognize them only emerged about 200,000 years ago. Today, about 1 in 8 of the world’s population live in Africa.
Oland areaCovers approximately 20 percent of Earth’s AFRICAN FACTS
OOOOBiggest countryNumber of countriesSmallest countryLanguages 1,000s Republic of Sudan The Seychelles 53 +dependencies
O778 millionOOPopulation of continentLargest African city Highest point Kilimanjaro in Tanzania at Egypt’s capital, Cairo Estimated at
19,341 ft (5,895 m)OUganda, Sudan, and Egypt into the Mediterranean Sea, at 4,145 miles (6,671 km)Longest river Nile, running through
OTanzania, Uganda, Kenya. The lake contains more than 3,000 islands, many inhabited.Biggest lake Lake Victoria, bordering
THE SAHARA“Sahara” comes from the Arabic word for “desert.” The Sahara
stretches across North Africa and covers parts of 11 countries. Much of it consists of vast seas
of sand, with dunes up to 600 ft (180 m) high.