Selling a used copy of Effortless Card Magic by Peter Duffie. This is a hardcover, with dustjacket. I noticed two formerly dog-eared pages, otherwise regular wear from use, overall decent condition, all pages intact and fully readable.
A cube matching trick. Spectator mixes cube under cover of a cloth and it matches your cube. Online instructions. Never used See Henry Harrius website for demo. Free shipping, contiguous US only.