Just because a movie was based on a book, that's apparently no bar to adapting it back to a book again. This Stack Overflow question lists Blade Runner, Planet of the Apes, V for Vendetta, Bram Stoker's Dracula, The Wicker Man and many others.
But as of yet no Oppenheimer junior novelization appears to be forthcoming....
Just because a movie was based on a book, that's apparently no bar to adapting it back to a book again. This Stack Overflow question lists Blade Runner, Planet of the Apes, V for Vendetta, Bram Stoker's Dracula, The Wicker Man and many others.
But as of yet no Oppenheimer junior novelization appears to be forthcoming....