Krystina Castella knows how to bake up something yummy; her "Crazy About" series with books focusing on cookies, cakes, and cupcakes has won her legions of fans. Now she's devised the ultimate crowd-pleasing collection of pies and tarts, from sweet treats filled with fruit, cream, custard, and meringue to savory delicacies like quiche. In addition to old favorites like Apple, Pumpkin, and Pecan, try the more unusual Pineapple and Mango Empanadas,...