Visual encyclopedia of an unknown world written in an unknown language.

Cover and illustrations by Luigi Serafini.

Trim Size: 9 × 13-3/8.

In a pocket in the back cover there is 22-page «Decodex» booklet with original preface by the author. It is in Italian (original text), English (transl. by by Sylvia Adrian Notini), French (transl. by Yann Jubier), German (transl. by Erika Eggemann), Spanish (transl. by Marta Graupera), Portuguese (transl. by Simone Martins) and Russian (transl. by Anna Kalinko).