The Paris architect: a novel

In 1942 Paris, architect Lucien Bernard accepts a commission that will bring him a great deal of money-- and maybe get him killed. All he has to do is design a secret hiding place for a wealthy Jewish man, a space so invisible that even the most determined German officer won't find it. He sorely needs the money, and outwitting the Nazis who have occupied his beloved city is a challenge he can't resist. When one of his hiding spaces fails horribly, and the problem of where to hide a Jew becomes terribly personal, Lucien can no longer ignore what's at stake.