Professor Robert Diffendal Jr’s little guidebook to the Great Plains of the USA makes for a fascinating read for an Englishman like me, who has never been there (but wants to). He makes it plain that they rarely correspond to the impression most people have of them.

This GA guide is intended as a major guidebook to the exposures of highly significant Precambrian, Carboniferous and Permo-Triassic sediments, through to Jurassic rocks of the East Midlands. Personally, it is an area I only partly know (I know Edale in the Peak District quite well) and, for that reason, is an interesting set of locations for me.