Aged 22, Patrick Nash left his parents' home in south London with a small rucksack, two UK passports and £250 in cash. His plan was to visit a friend in Eswatini (formerly Swaziland). Ten months later he returned, having walked and hitch-hiked on an extraordinary and often dangerous trip from Egypt south to Kenya, then through the Democratic Republic of the Congo, Central African Republic, Cameroon, Nigeria – and back north across the Sahara Desert to reach Britain.Along the way Nash experienced sandstorms in north Africa; witnessed famine, drought and a refugee crisis in southern Sudan; hitched with young Ugandan soldiers who had lost a military coup; was arrested and imprisoned in Niger; and was shot at by border guards when entering the Central African Republic in a dugout canoe. Along the way he slept on top of a volcano; stayed in villages; trekked through rainforests; journeyed a thousand miles simply to get a visa; and endured severe illness. But, above...