Most of the 89,000 leadership books offered on Amazon.com focus on traditional interpersonal leadership: the relationships between leaders and followers. Interpersonal leadership sets up an expectation that leaders must be in dialog or at least in view of their followers. Yet this style of interaction is less likely as work stretches across locations and company boundaries as we telecommute, crowdsource, and take on joint ventures. Modern leadership may be as much about facilitating strategy through hiring, training, technology, and focused tasks and goals, as it is about face-to-face interaction.