ISBN-13: 9781475207149 / Angielski / Miękka / 2012 / 130 str.
Martin takes his skateboard when his parents drag him off to an archaeological dig in Peru. He rides down a secret path to adventure with his new friends Isabel and Pedro. As the excitement unfolds Martin and his friends gain insights into the Incan world and their own lives, while becoming immersed in a new culture that leads to a web of secret activity.