Manuale di stile. Guida alla redazione di documenti,relazioni,articoli,manuali,tesi di laurea.

Orbit 1994, cm.11x18, pp.442, brossura copertina figurata a colori. A sequel to "Crisis on Doona". 25 years after the original human settlers arrived, only to find Doona already inhabited by the cat-like Hrrubans, the treaty which established their cohabitation is due for renewal. But a crisis has marred the celebrations, sparked by political and personal greed.

Londra, Harper & Brothers Publishers 1900, cm.12x17, pp.286, legatura ed. Coll.Makers of History.

Verona, Mondadori Ed. 1971, cm.16x21,5, pp.160, alcune figg.bn.nt. legatura ed.cop.fig.bn. Coll.I Dossier.

Foreword by R.Sturgis Ingersoll. Introductions by Henry G.Gardiner, Kneeland McNulty and Jean Gordon Lee. Philadelphia, Philadelphia Museum of Art 1964, cm.19x26, pp.210, 244.ill. e tavv.nt, di cui 4 a col., brossura, copertina figurata a colori. Prima edizione.