New York: Barnes & Noble, Inc., 1970. Hardcover. First American edition: xiii, 186p., illustrated with a few diagrams and substantial swatches of quoted poetry, 8.5x5.5 inch openweave red cloth boards titled in silverfoil. Find a small cross-out in ink on ffep, lacks publisher's dust jacket, but is bright, clean and quite sound. Laid in is a TLs from a small US publisher to the Rights Department of Routledge (issuing British house) respecting copyright, perhaps prior to grasping that the item was due from B&N.