In March 1975, three weeks after opening Other Books and So, the first bookshop dedicated to artist's productions of all sorts, Ulises Carri n sent out more than 1,000 letters asking artists, writers and publishers to send him "the sort of books you make." A few days later, packages started arriving from North and South America, Western and Eastern Europe, Japan and Australia. They didn't stop for the next three years, at which point Other Books and...