My apologies, didn't notice that the hardcover was out-of-print and that the paperback is what is available: https://www.informit.com/store/latex-companion-par

My apologies, didn't notice that the hardcover was out-of-print and that the paperback is what is available: https://www.informit.com/store/latex-companion-part-i-9780135467336 https://www.informit.com/store/latex-companion-part-i-978013...