(Science Fiction & Horror) 4 Vols. Sprague De Camp, L. Signed Copies: Divide and Rule. Reading: Fantasy, 1948. First edition, #146/500 signed by L. Sprague de Camp. 12mo, original green cloth, spine gilt, minor wear, dust jacket (some very minor dust smudging at edges). Dated, "12-5-48," in ink at top of front free endpaper recto. Also inscribed to Robert E. Fontinelle by L. Sprague de Camp on limitation page. Tight, bright copy. Currey p. 133 - issue A. * Lest Darkness Fall. Philadelphia: Prime, (1949). 12mo, original cloth; minor wear, dust jacket (minor edge wear, occasionally a little dusty). Inscribed, dated, "4/1/88," and signed by L. Sprague de Camp on title page. Tight, bright copy. * Genus Homo. Reading: Fantasy, 1950, #15/500 signed by L. Sprague de Camp and P. Schuyler Miller (the co-author). 12mo, original green cloth, spine gilt; light wear, edges a little dusty, dust jacket (minor wear). Some dust smudging to endpaper gutters. Additionally inscribed to Allan F. Reiland in green ink by P. Schuyler on limitation page. Generally attractive copy in bright dust jacket. Currey p. 133 - issue A. * Desmond and Dinosaurs. Sauk City: Arkham House, 1970. First edition. 12mo, original cloth; minor wear, dust jacket (minor edge wear). With label inscribed and signed by L. Sprague de Camp mounted to front free endpaper recto. Generally attractive copy. Jaffrey 113.