It is always nice  to have a little herb garden by the kitchen door, but I had never thought about caring for Herbal Houseplants  ($24.99 Cool Springs Press) that  would work in the kitchen - and in the living room. Susan Betz has given us a handsome little  book that opens new worlds of the herbs that  will grow indoors, and that will also show us how  to use fragrant herbs like patchouli and lavender, or just have…