1958; Doubleday & Company publishers, New York; hardbound; "Triangle: An Omnibus of Three Science Fiction Novels"; Book Club Edition; very good condition with unmarked pages; dust jacket a bit rough with nicks and edge wear - see pics.
 
Description -
The following works are contained within this one:
Pebble in the Sky (1950) [Novel]
Author: Isaac Asimov
Stars, Like Dust, the (1951) [Novel]
Author: Isaac Asimov
Currents of Space, the (1952) [Novel]
Author: Isaac Asimov