I thank all of you, of course, books about english fairy tale would do
As for ATDrake : All the puppies in my last litter had names from the Arthurian Legend : there was Galahad, Gawain, Gareth and Gaheris for the boys, Guinevere and Gwendolyn for the girls (I found a Gwendolyn being Merlin's wife in Geoffroy of Monmouth's Vita Merlini). So this time, I'm searching for something a little different. In any way, thank you all for your suggestions, I'm in my way to project Gutenberg