William Heinemann reprinted THE SOUND OF THUNDER numerous times: in 1967, 1970, 1973, 1976, 1980, 1983, 1987, and 1988 for a Uniform Edition.
Below: A copy that is owned by Nick De Carteret, who was able to meet Wilbur at the farewell party that Macmillan threw for Wilbur at Mossiman's in Belgravia at the time Wilbur was switching to Harper Collins as his publisher
The signed copy below I found on eBay, and it is not in my collection
The signed copy below I found on the Internet, and it is not in my collection
I have owned and sold numerous signed copies of THE SOUND OF THUNDER. All below are first printings, except the last one designated as a 1983 printing.
1983 reprint
Simon and Schuster never reprinted its first edition or published any later editions, so all copies are first printings of the first edition.