Writer Emily Kaiser Thelin tried to play it cool when she first saw the interior of Jeff Wardell and Claudia Sagan’s apartment (“Contained,” December/January 2012). But a lifelong obsession with container ships made it difficult for her to restrain her glee when she saw two containers stacked on top of each other and used as rooms. She hopes she didn’t wear out her welcome when, under the guise of research, she tested the containers’ many whimsical custom features, including the office’s sleeping nook.