The Iron Cobweb by Ursula Curtiss (Ursula Kieran Reilly Curtiss) (Eyre & Spottiswoode, 1953). Cover Art by Sax (Rudolf Michael Sachs). #TheIronCobweb #UrsulaCurtiss #1950s #books #book #coverart #artwork #cover #mystery #thrillerbooks #Thrillers #thriller #EyreAndSpottiswoode #crime