Calvin never wanted to take over the family business, a barbershop on the south side of Chicago. One morning he decides to sell the shop to Lester. Calvin spends the day cutting heads at the shop, and starts to understand the importance of the legacy left to him. Calvin learns to appreciate his barber friends, and discovers that the place where they work is more than just a place to get a haircut. Calvin gradually changes his mind about selling the...

"We humans are the inheritors of a dynasty that has reigned over the planet for nearly 66 million years, through fiery cataclysm and ice ages: the mammals. Our lineage includes saber-toothed tigers, woolly mammoths, armadillos the size of a car, cave bears three times the weight of a grizzly, clever scurriers that outlasted Tyrannosaurus rex, and even other types of humans, like Neanderthals. Indeed humankind and many of the beloved fellow mammals...