Charles Pierce, director of the Morgan Library in New York, has just moved into temporary offices while the library is being expandedIt’s now so common to see museums shut, turn into construction sites and reopen a few years later that one can easily assume that the whole process is that simple. Yet as I surveyed my new office, I realized how complex, unsettling, and even difficult the last three years have been. There were, as I learned only after we had started, four major challenges involved in our goal of remaking the Morgan Library.”