Advanced Engineering Mathematics by Erwin Kreyszig is a classic reference text used by engineering students and professionals for decades. This copy comes from the estate of a local lifelong teacher and reflects authentic academic use, including highlighting and notes. Vintage hardcover textbook in good condition. Light shelf wear from age. Interior contains light highlighting and handwritten notes from prior academic use. Ownership inscription present. Binding intact and pages complete. Ideal for engineers, educators, collectors of technical textbooks, or as a display/reference piece. Please review photos for exact condition. Shipped via USPS. Thanks