ISBN-13: 9781474751360 / Angielski / Miękka / 2017 / 80 str.
Hidden somewhere in South America, a world full of adventure awaits, but only the extravagant Professor Challenger believes in its existence. When he joins a reporter in search of adventure, a brave nobleman and a colleague ready to prove him wrong, Challenger will, at last, have the opportunity to discover the lost world.