The Libertinage font set we developed for FLOSS+Art book is available on the Open Font Library for several days.
We built Libertinage by copying and pasting parts of Linux Libertine
glyphs or simply by all-turning glyphs.
There are 27 variations, one for each latin letter in the alphabet + the …
From the introduction:
OSP is currently working on a book containing
essays, interviews and images following from the Constant
festival/seminar 



In
a first attempt to draw a collaborative map of the many different tools
that together define the practice of digital design, OSP attempts to
recollect facts and anecdotes gathered over the last few years.