I found the world of Jewel and Thorn, with its six inch tall humans riding rats and living amid the wreckage of the age of the giants (us 'normal' humans) fascinating, both because Richard Poole has created a believable but different world and also because I was caught up in trying to decide what had happened to 'our' world. Where had we gone? How come our buildings were left for our successors to scramble in? What cataclysm had caused The Barrens (desert-like mysterious areas which are visited at your peril, offering hard going, apparitions and real dangers)? And if some animals had been left (rats and rabbits in particular), why no dogs, cats or cows? This is the first book of a trilogy, so I will have to wait for the next two volumes to appear and must contain my impatience till then. Till then, too, we must wait to see what becomes of the relationship between Jewel and Thorn, who take the whole of the first book to meet. Plenty of answers wanted - and well worth waiting for.