"Now what do you think of it?" questioned Steve, as they started to make ready for bed.
"If you've struck it right we have stumbled on to the biggest game of crookedness in the mines. I mean you have discovered it; you didn't exactly stumble on the game."
"Be very careful. Don't make any mistake. I, on my part, will keep my eyes open if I find I can do so without attracting attention. To-morrow night we will compare notes."
"Don't worry about me. I'll have it down pat. All ready to turn in?"
"Yes."
Bob blew out the light and the boys tumbled into bed, where they were soon fast asleep.
CHAPTER XII
THE BOYS EXPOSE A PLOT