Mo's best friend : a stone-age story

"When Mo makes friends with a little wild beast, her family are horrified -- wild beasts are dangerous. But could this wild beast save baby Babba from a hungry lynx and become a friend to the whole family? And then what would they call him? Dog! This delightful, heart-warming story about a Stone-Age family and the first dog is inspired by the amazing, recent discovery of a child's footprint alongside a dog's pawprint in the Chauvet cave in France...