David Barclay adored his grandmother, even if she was getting a little senile. According to the doctor, David should play along with her misconceptions, no matter how outlandish. Which was fine- until Granny got the notion he was married to his gorgeous new neighbor!
Used availability for Carolyn Zane's The Wife Next Door
September 1997 : UK Mass Market Paperback
April 1994 : UK Mass Market Paperback