The book appeared to assume that the reader had scarcely ever been outdoors, much less laid hands on a gardening tool. Here, for instance, is Mrs. Loudon explaining what a spade does: The operation of digging, as performed by a gardener, consists of thrusting the iron part of the spade, which acts as a wedge, perpendicularly into the ground by the application of the foot, and then using the long handle as a lever, to raise up the loosened earth and turn it over.