The title of this richly textured book derives from two of the three mysterious letters left by Emily Dickinson--the ones addressed to &quot;Dear Master.&quot; Lucie Brock-Boido has imagined a series of letters echoing devices found in Dickinson's own work. &quot;We feel we are in the presence of something entirely new, &quot; says Bonnie Costello in <i>The Boston Review</i>. &quot;Not even Brock-Broido's wonderful first book, <b>A Hunger</b>, prepares us for this bold encounter.&quot;