Try to imagine a conversation between Charles Darwin of and a follicle mite named Mara living in his left eyebrow. Not surprisingly, there are a few strange aspects of this relationship, but perhaps none stranger than Mara's belief that Mr. Darwin is a deity! Can Mr.Darwin convince Mara that he didn't create life and all the species of the world? He sure hopes so. Fortunately, he has an elegant explanation for how species are formed. It's called Natural Selection and Mr. Darwin is somewhat of an expert on the topic. Join this unlikely duo as they go around and around Mr. Darwin's thinking path, the Sandwalk, looking for understanding and adventure.