The book explains why a Gauteng valley is called the Cradle of Humankind. It presents information about the famous finds that archaeologists have discovered there. A sequence diagram with text shows how fossils are formed. A full page map indicates where different artefacts were found. The book explains why a Gauteng valley is called the Cradle of Humankind. It presents information about the famous finds that archaeologists have discovered there. A sequence diagram with text shows how fossils are formed. A full page map indicates where different artefacts were found.