“Finally, one day last fall, more than a year after they moved in, Mr. Klinsky received a letter in the mail containing a poem […] The letter directed the family to a hidden panel in the front hall that contained a beautifully bound and printed book, Ms. Bensko’s opus. The book led them on a scavenger hunt through their own apartment.
[…]
the finale involved, in part, removing decorative door knockers from two hallway panels, which fit together to make a crank, which in turn opened hidden panels in a credenza in the dining room, which displayed multiple keys and keyholes, which, when the correct ones were used, yielded drawers containing acrylic letters and a table-size cloth imprinted with the beginnings of a crossword puzzle, the answers to which led to one of the rectangular panels lining the tiny den, which concealed a chamfered magnetic cube, which could be used to open the 24 remaining panels, revealing, in large type, the poem written by Mr. Klinsky.”