When Rosie and Ben wanted to understand an old cave painting, Grandpa took them back in time in his amazing van. Soon they were in a cold place with mammoths and wolves -and the van was in a hole. How could they get home? And why was there light in the cave? Learners can complete activities whilst reading or after reading – some with supporting activities for the Cambridge Young Learner Test. Picture dictionaries and glossaries help with unknown words along the way.