Part of the One Color Coloring Book series

Mystery Gothic Edition

50 hidden pictures per book that you reveal with just one black pen: dots and numbers tell you which simple mark to draw, square by square the picture appears. Six simple marks, one puzzle per page, all solutions at the back.

Printable PDF · $4.99↗ (opens in a new tab) Save on Pinterest

Or as a PDF bundle: all 6 One Color books · $12.99 ↗ · all 35 books · $29.99 ↗

The paperback is coming to Amazon soon.