"Chemical Process Design and Simulation: Aspen Plus and Aspen HYSYS Applications" (1st Edition) by Juma Haydary is a highly practical, tutorial-based textbook focusing on both simulators with a strong emphasis on thermodynamic property model selection. The book bridges classroom theory with industrial design, though its first-edition screenshots may not reflect the newest Aspen software versions. For legitimate access, professionals and students should consult Wiley or university libraries rather than unauthorized file-sharing sites.