Reading progress update: I've read 14 out of 178 pages.

The Door Into Summer - Robert A. Heinlein

Daniel Davis - "Maybe that shot in the fanny had been nothing more than B1; if so, it was jet-propelled"



If I was in any doubt that the author was American (and I wasn't), that line would have confirmed it.  No UK bloke would be so cavalier about a shot of B1 in his vagina...