A fascinating study by theater critic and scholar Jonathan Kalb '81, Great Lengths: Seven Works of Marathon Theater (University of Michigan Press), considers large-scale theater productions that often run five hours or more and present special challenges to the artists involved as well as the audience. He takes a close look at seven internationally prominent theater productions, including Tony Kushner's Angels in America, Robert Wilson's Einstein on the Beach, the Royal Shakespeare Company's Nicholas Nickleby, Peter Brooks’s The Mahabharata, and the "durational works" of the British experimental company Forced Entertainment. Diverse and savvy viewers who may otherwise be distracted by film,…