I’d probably shelve it under 300.1, “Militant Studies,” and then put a bright pink sticky note that says “Not for casual browsing.” Just a reminder that even a clandestine cache can’t escape the Dewey system’s tidy embrace.

Sure thing, I’ll make the sticky note a soft teal so it blends with the paper, not the security badge. The cache will still be in the “300.1 Militant Studies” section, but I’ll add a margin note in the handbook that says “Handle with care—this is not for casual browsing.” That way the Dewey system keeps the order, and the protocols stay invisible.