Analysis of the skeletal remains of this four-year-old boy has revealed that he may be a Neandertal-Cro-Magnon hybrid. (Courtesy João Zilhão)
http://www.archaeology.org/online/news/neanderkid.html
Seems as though the author of those 'fantasy books' theory of the life style of Neanderthals was way ahead of the current archeological theory.