Olduvai Gorge gives us one of the most remarkable stories of the past-the last chapter of the Earth's history, starting at the present day, right away back 2 million years.

The author knows just what he wants to illustrate and how he would like it to be done.

There is tragic evidence to show that the paintings at the French prehistoric art sites are deteriorating.

Raising funds for my fourth expedition proved to be very difficult.

Eloquent testimony to the recovery powers of wild animals frequently becomes apparent from the study of skeletons housed in museums.

I saw what looked like another fallen tree in front of me and put my foot on it to cross over. At that moment it reared up in front of me-the biggest python I had ever seen!

Colonial governors and senior civil servants are not easy people to argue with, and I was not popular because of my criticism of the colonial service in Kenya.