"The Sentinel" collection has a bunch of Clarke's early short stories, some of which he later developed into novels: https://www.goodreads.com/book/show/149070

"The Sentinel" collection has a bunch of Clarke's early short stories, some of which he later developed into novels: https://www.goodreads.com/book/show/149070.The_Sentinel https://www.goodreads.com/book/show/149070.The_Sentinel