"In Chambers: Stories of Supreme Court Law Clerks and Their Justices" (University of Virginia Press), edited by Todd C. Peppers and Artemus Ward: They've been called "Courtiers of the Marble Palace" and "Sorcerers' Apprentices." But to the justices of the U.S. Supreme Court, their law clerks are much more: sparring partners, workhorses and, often, extended family.

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