Neanderthal Journeys book 4: New Directions

This book 4 in the Neanderthal Journeys series. The first three are creating a lot of interest and I hope the same for number 4. This book tells of Cuda's journey to find new peoples and encounters many dangers and mysteries along his way. They encounter a strange cave with unknown drawings on like nothing they have ever seen before and a group of standing stones that defy all explanations. Cuda does eventually discover two more groups of people who are completely different to each other an...