Notes: • "First Printing, July, 1964" • "Second Printing, August, 1966"; no number line • Both dates refer to Canadian printings as the first US Signet edition was published in 1960 and the second in 1964 • Copyright page of the first Canadian printing has the date as August 1964 • The artist is not credited, no visible signature; credit from earlier printing • Cover printed in the US, book in Canada