Mnemosyne’s “Today’s Act” lets you live one tick box at a time.

Maruman’s Mnemosyne line takes its muse very seriously. “Today’s Act” is a simple list and to-do notebook. It is slightly bigger than the small Moleskine, with a stiff plastic cover and double spiral binding. In the don’t-leave-anything-to-chance spirit of the Japanese (remember, my Enveloop pen case came with a diagram), there is a bright yellow …