(AVALON BOOKS.) Group of 10 volumes published by Avalon. 8vo, cloth; dust jackets. New York, vd Smith, George O. Troubled Star. (1957) *

Smith, George O. Fire in the Heavens. (1958) * Smith, George O. Lost in Space. (1959) * Silverberg. Collision Course. Inscribed and signed. (1961) * Williams, Robert. Walk Up the Sky. (1962) * Long, Frank. Three Steps Spaceward. Signed. (1963) * Long, Frank. Mission to a Star. Possibly signed. (1964) * Stilson. Polaris--Of the Snows. (1965) * Stilson. Minos of Sardanes. (1966) * Stilson. Polaris and the immortals. (1968).