Marco Polo, Ernest Shackleton, Amelia Earhart, Thor Heyerdahl y Neil Armstrong. Todos ellos persiguieron un sueño, una idea que a la mayoria les parecia inalcanzable e incluso disparatada. Descubre las aventuras de cinco valientes, cinco heroes, cinco viajeros intrepidos.Marco Polo, Ernest Shackleton, Amelia Earhart, Thor Heyerdahl andNeil Armstrong. All of them pursued a dream, a challenge that seemedunattainable and even absurd to most. Read about the adventures of fivebrave courageous people, five heroes, five brave travellers.