<prompt> Translate the following text to EnglishWahariri wa habari wa eneo hilo wamebainisha makosa kadhaa na hadithi zisizo na msingi katika vitabu viwili vya Davis kuhusu Los City of Quartz 1990 na Ecology of Fear 1998.  <response>: Local columnists have pointed out a number of errors and unsubstantiated stories in Davis two books about Los City of Quartz 1990 and Ecology of Fear 1998. 