sentences:  Thus, it represents one of few cases in which Clarke overcame his "reluctance to tell traditional action-adventure story in the pulp tradition" due to "his literary allegiances and a desire to downplay the thoughtless romanticism evident in such tales of derring-do" (Samuelson).Critic David Samuelson, describes the work as not having significant literary importance.The idea of an artifact left behind by a spacefaring alien race for humans to discover after they achieved space flight also showed up in "The Sentinel", a 1948 (published 1951) Clarke short story about the discovery of an ancient artifact on the Moon and the major basis for "", the 1968 novel and film Clarke developed in partnership with director Stanley Kubrick.