What don't you get about it? The Minotaur isn't real; it's a construct of the minds of those trapped inside the labyrinth. Also, Johnny and Holloway Roberts are minotaurs.

It's a metaphor. It's the beast behind you in the black. It's a monster from the id. it's...

What you make it.

which is really what House of Leaves is, in the end. It is whatever you want it to be.

That's a shame; that means you had a Blue edition, rather than the proper remastered full-color edition, and therefore probably not the Whalestoe Letters or the full color plates or the appendices, which... explain a lot more.

granted I cannot talk; it's taken me four months to understand this fucking thing.

Er, forgive the little %Pr at the end, I'm on a lab computer.