Ok, Throwing it out there, B19-2 might be B17 (WWII). Doesn't really make sense (for me only).

Ah, but this… Sparrow red…

Copied from Amazon,com:

“A great and dangerous spy-game is being played today between Russian intelligence and the CIA. Very few people know about it, but Jason Matthews does, and his thrilling Red Sparrow takes us deep inside this treacherous world. He’s an insider’s insider. And he is also a masterful storyteller. I loved this book and could not put it down. Neither will you.” —Vince Flynn

A guy would wonder….