the familiarity with the equilateral triangle

and I investigate how they can manipulate each other

Anja Kümmel

Dort arbeitete sie als Journalistin und Hochschullehrerin

die Arten der Identifikation wegen isoliert darstellen

A Cookbook of Invisible Writing - Out of print! Ernst van Alphen the familiarity with the equilateralA Cookbook of Invisible Writing, written and designed by Amy Wu, is an introduction to analog steganography, a type of secret writing that is hidden in plain sight. It is an invisible ink colouring book, recipe book, puzzle book and artistic research book. This book also serves as a starter pack to run workshops for those who are interested in alternative forms of communication. A Cookbook of Invisible Writing provides a wide variety of invisible ink