I assume this one spreads out to infinity to left and right. It certainly is a challenger to I SING THE BODY ELECTRIC, but is only a serious contender if the illustration extends round to the back cover.
I’m afraid I have no answer to the question posed under the title.
And so the Vizier said, “Well, First Person, I can give you one giant head, or you may choose to have one head on the first rung of a fleshly lattice, two on the next, four on the next, then eight, 16, and so on . . . now choose carefully.” But, perhaps because his hair inhibited proper neural functioning, First Person could not comprehend the truly astronomical number of heads he’d soon come to possess, peculiarly.