Politics 101 Anna Smith Canterbury University Press, $29.95, ISBN 1877257419 The Sound of Butterflies Rachael King Black Swan, $27.99, ISBN 1869417941 Davey Darling Paul Shannon Penguin, $28.00, ISBN 0143020773 Weeping Waters Anne Maria Nicholson HarperCollins, $34.00, ISBN 1869506170 Four debut…