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HI . I HAVE A COOK BOOK FROM THE FIRST 7 LADIES OF THE WHITE HOUSE , MRS NIXON ,KENNEDY , FORD,HARDING,TRUMAN,HOOVER,AND MRS JOHNSON,. IT IS SIGNED BY NANCY REAGON. THE BOOK IS CALLEDCONGRESSIONAL CLUB COOKBOOK. IM WONDERING HOW MUCH COULD THIS BOOK BE WORTH ITS IN EXCELLENT CONDITION? PLEASE LET ME KNOW IF YOU KNOW ANYTHING ABOUT THIS BOOK . THANKS