Description From Newbery Honor author Jacqueline Kelly comes Who Gives a Hoot? , the third title in her illustrated chapter book series for younger readers featuring the beloved characters from The Evolution of Calpurnia Tate . Out in their boat exploring the San Marcos River, Callie and Granddaddy see all kinds of nature.fish, mockingbirds, ammonites, and more. But when Callie spots an owl in the water, she knows it's in trouble. With quick thinking and quick action, she and Granddaddy bring the bird aboard.but will they be able to save its life?