I love visiting prehistorical sites when on holiday, I'm fascinated with the anthropology of the stone age, probably because of reading Earths Children series as a teenager 😆. My children do enjoy visiting caves and geological sites, but we've got a big trip to France planned for the Lascaux caves and others, and I just wondered if I could spark their interest more before we go with some really good books on the topic. Picture or chapter. Age 6-11.