UNKNOWN (L. SPRAGUE DE CAMP & FLETCHER PRATT; THEODORE STURGEON; J. VALE DOWNIE; MONA FARNSWORTH; MARIAN O'HEARN) — Unknown Worlds: August, Aug. 1940
NY, Street & Smith. 1940. SingleIssueMagazine. Book, Vol. VIII, No. 6. Pulp magazine. Edited by John W. Campbell, Jr. Includes "The Mathematics of Magic" (novel) by L. Sprague de Camp & Fletcher Pratt; "It" (novelette) by Theodore Sturgeon; "Tombi Sink" by J. Vale Downie; "All Roads" by Mona Farnsworth; "The Spark of Allah" (pt. 2 of 3) by Marian O'Hearn. Readers' Departments: "Of Things Beyond"; "- And Having Writ-". Illustrations by Cartier, Orban and Schneeman. Cover is a copy; rear cover tears and minor losses; tanning; minor losses to first page. Good.