Around 2000 or so, I used to work in tech support for a software company who had like 5000 Windows-based customers and 5 running Solaris. My boss chose me to learn Solaris when the previous “expert” left. I bought this book and started hacking. Good times!
In polish we have an idiom for rare books that directly translates to ‘white crow’. Incidentally French say ‘merle blanc’ - ‘white blackbird’. French influenced polish a lot during late modernity. Anyway where was I.
Ah, yeah likely not very rare, they must have messed a whole print run and decided to sell it off anyway, maybe at a discount, since it’s not a limited hardback illuminated Shakespeare’s works in 5 tomes.
Then again… Weirder things have collection value.
White housefly in Portuguese.