Josephine Lawrence writes books like other women make cakes. They're just that domestic. And this one again deals with the problems of the elderly, although growing old with Miss Lawrence is never too cheerless a business... A projection into the future finds Harper Brownell, 65, and Dru, his wife, forced into retirement and residence at Tranquil Acres, a vast compulsory community, with moving sidewalks, a soft diet, and no stimulants. If there are pushbutton conveniences, there's no privacy, and the Brownells resent a sponsored, scheduled, supervised existence such as this. During the course of the book here, which has more accessories than activities, there's a romance, a death, a fire which creates an emergency situation and proves that old age need not be equated with desuetude, and finally an election which ensures a freer future for all concerned... For an audience- on the far side of bifocals, who will find it comfortable.