Alberto and Pedro are good friends.  They are both ten years old, live in Bolivia, and are classmates. Both of their fathers are famous scientists.  Alberto, is an artist that is very curious about everything that he draws.  One day while exploring along the shore of Lake Titicaca, they notice a mysterious man. Combining their scientific and artistic talents, the two friends try to solve a mystery involving wild animals.

Read by a native speaker. Listen to a sample here.

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