The Africa book :：a journey through every country in the continent. The Europe book :：a journey through every country in the continent / The travel book :：a journey through every country in the world. The travel book :: a journey through every country in the world. The travel book：a journey through every country in the world A journey through every country in the continent / The cities book :：a journey through the best cities in the world The cities book：a journey through the best cities in the world The cities book：A journey through the best cities in the world The food book :：a journey through the great cuisines ofthe world /