The Sahara (Arabic: الصحراء الكبرى‎, aṣ-Ṣaḥarāʾ al-Kubrā , "the Greater Desert") is the world's hottest desert, the third largest desert after Antarctica and the Arctic. At over 9,400,000 square kilometres (3,600,000 sq mi), it covers most of North Africa, making it almost as large as China or the United States. The Sahara stretches from the Red Sea, including parts of the Mediterranean coasts, to the outskirts of the Atlantic Ocean. To the south, it is delimited by the Sahel, a belt of semi-arid tropical savanna that composes the northern region of central and western Sub-Saharan Africa.

Some of the sand dunes can reach 180 metres (590 ft) in height. The name comes from the colloquial Arabic word for desert, (صحرا ṣáḥara  ; Literary Arabic: صحراء ṣaḥarāʾ  ,).

Read more about SaharaOverview, Geography, Climate, Ecoregions, Flora and Fauna, People and Languages

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... on Saint-Exupéry's own experience in the Sahara, an ordeal described in detail in his 1939 memoir Wind, Sand and Stars (original French Terre des hommes) ... with his copilot-navigator André Prévot, crashed in the Sahara desert ... During his service as a mail pilot in the North African Sahara desert, Saint-Exupéry had viewed a fennec (desert sand fox), which most likely inspired him to create the fox character in the book ...
Sahara - People and Languages
... Arabic is the most widely spoken language in the Sahara, from the Atlantic to the Red Sea ... the Tuareg pastoralists of the central Sahara ...