Rare signed book: Demon Box. Uncorrected galley proof of the first edition. NY: Viking, 1986. In plain green wrappers, 5.5 x 8.25, 375 pages. Signed and inscribed on the half-title page in black ballpoint with a quote from the story 'Within the Stone Heart': "For Matt: '…one of the ray experts here with the new spark chamber specifically constructed for another try…' p. 137, Ken Kesey." In fine condition, with some light creasing to the spine. This advance galley proof preceded and is much rarer than the common trade edition.