Bonus Grid / Volume 01
The Occultation Grid
A tenth-anniversary grid that never made the print edition — twelve entries, one column of them vertical, all of them recorded in the same week of 1967.
Ninety-nine more, printed at sixteen point.
Unidentified collects 99 grids of this kind, set on low-glare stock and bound to lie flat. The solutions archive is free with every copy.