
Imposition: why page 1 sits beside page 8
Fold a sheet three times and the page order stops being obvious — page one ends up beside page eight, upside down. Printers solved this before 1500, and every book you own is still assembled by their answer.
Letterforms, and the making of pages

Fold a sheet three times and the page order stops being obvious — page one ends up beside page eight, upside down. Printers solved this before 1500, and every book you own is still assembled by their answer.

Three words for nearly the same thing, and the small differences that still matter at the bindery. One of them gave this software its name, which seemed worth explaining.