"Finished and finely wrung, this book is a linguistic experiment in active collaboration with matter-the dense data itself. Marjorie Welish, a painter in her multi-verse, leaves very little out though it may seem as if ruthless in being stark. But anaphora and lyricism lighten all passages. Her iridescent gray links her to Johns, and the very soft strophes of Morty Feldman. Her music may seem prolonged to some, but it is just long enough. I have been...