That stunod never calls me unless I'm late with his tuition.
While some people will probably always carry around a laptop, devices like the Tilt are breaking down the wall between luggable and pocketable.
A good deal of the practical advice is medical—how to detect the symptoms of tuberculosis, how to diagnose a pregnancy, foods to avoid during pregnancy (crabs, or the child will come out sideways etc.), lucky directions in which a pregnant woman should contrive to face on various days of the zodiac, charms to secure an easy delivery, herbs to improve the flow of milk, hints on the care of infants, remedies for warts and bed-wetting and other kinds of Spockery.
Wellings has form here, having in 2015 written a pamphlet with long-time anti-rail campaigner Paul Withrington entitled Paving over the Tracks: a Better Use of Britain's Railways.