Samhain
This is the culmination of the first series of stories, and the one that ties them together. It mostly stands on its own, but it was written for people who've read the rest. If you've only time for a few first, read 9 West, Stock and The Roll, which it leans on hardest. The full order is: The Road Over Crockanroe, The Hearthstone, Red Jenny, The Keeper's Bowl, The Brandy Pad, 9 West, Caldragh, Stock, Each Uisce, Hungry Grass, The Roll, The Fetch, The Narrows.