A bland, Velveeta novel, about 50% moisture, 20% butterfat and the rest just plain vegetable gum. Only one character achieves even two dimensions. And yet, like spreads, it's all edible and even pleasant (but you wish you'd spent that 30 for something better. It deals with suave, upward-mobile Duncan Blake, investment broker, who turns into a leper in his own home when his daughter marries. Duncan, a few years back, moved from The City to Goose Bay to open a comfy little branch office and be his own boss. Success comes gradually, he joins the second-best country club, buys a house. Suddenly, his daughter Susan is getting and to a silly rich boy named P. Ashley Chester. Chester is the son of the P. Ashley Chester who manages the first-best country club and who may well control the vote on whether or not Duncan makes a board membership in the Tolliver Co. After the honeymoon, the young marrieds put up at Duncan's and the now seems even sillier. When the son-in-law becomes a swimming pool salesman and rents a connubial trailer to live in, both Duncan and Chester, Sr. blink back of consternation. Susan is now pregnant and Duncan, 47, feels prematurely . All is saved when Duncan takes the lad into his brokerage. Smooth, but not sharp guffaw. No bite!