Care of the Elderly Mentally Infirm, Paperback by Gray, Barbara; Isaacs, Bernard, ISBN 1032256745, ISBN-13 9781032256740, Like New Used, Free shipping in the US Originally published in 1979, this book explains why so many people suffer behavioural changes in later life; how this affects those around them; the services that exist to assist older people and those who work with them and how such services can be profitably used.