Some fifty favorites from the Sunday magazine supplement provide some spot entertainment as well as a fuller explanation from the editor on this type of fiction. Mr. Beach reminds readers- and writers- that a short short is essentially a plot story and provides specific advice for writers in this field in which there can be, he feels, no amateurs. The professionals here include Max Shulman, Victor Canning, Ellery Queen, Q. Patrick, Budd Schulberg, Oliver La Farge, Mackinlay Kantor, Lord Dunsany, who put a shine on some slight circumstances of love, adventure, mystery.... Nice for snacks.