Yep, that's the one.
I'm thinking the "machine gun" along with the tin wash-basin helmets may get a good workout.
What are the odds of a book like this being published today?
War Toys for Boys!
(subtitled)
Just what every boy needs! Violent toys!
The left would come down with a darn near terminal case of the vapors!
Just the thing for a counter protest!
"My mind is aglow with whirling, transient nodes of thought careening thru a cosmic vapor of invention."
Hedley Lamarr