Trajectoire inverse - Almagestes - Portulans

First edition of each volume, of which there were no deluxe copies, one of the Service de Presse (advance) copies for the first.
A small tear at the head of the spine of the first volume which is lightly sunned.
Rare signed autograph inscription by Alain Badiou to Jean Ballard co-founder of éditions du Seuil on the half-title page of the first volume.