Astounding Novel by John Coleridge!

 John Coleridge? Any relation, I wonder? Alas, no.

‘John Coleridge’ was one of the pseudonyms used by the US author brothers Earl Andrew Binder (1904-1966), who was born in Austria-Hungary and came to the US in 1910, and Otto Oscar Binder (1911-1975), who was the more active (and ultimately better known) of the two; after approximately 1934, when Earl became inactive as a writer, Otto continued to sign himself Eando Binder, so that some Eando Binder books – they were all published after 1940; several contain pre-1935 material – are collaborative and some by Otto alone. Together the brothers wrote eleven stories as John Coleridge and one as Dean D O'Brien, while Otto alone also wrote as Gordon A Giles and, later, as Ione Frances (or Ian Francis) Turek (forms of his wife's maiden name), did some work under the name Will Garth, and finally published a couple of novels under his own name. A third brother, Jack Binder was an illustrator who did much of the early drawing for Captain Marvel, which was regularly scripted by Otto. The brothers all retained the German pronunciation of their surname, with a short i.

Still: STC was certainly interested in ‘the life beyond ...’