Bryher (born Annie Winifred Ellerman) is perhaps best known today as the lifelong partner of the poet H.D. She was, however, a central figure in modernist and avant-garde cultural experimentation in the early twentieth century; a prolific producer of poetry, novels, autobiography, and criticism; and an intimate and patron of such modernist artists as Gertrude Stein, Marianne Moore, and Dorothy Richardson. Bryher's own path-breaking writing has...