Introduction to Linear Optimization Dimitris Betsimas John Tsitsiklis hardbound
What stands out about this textbook is the summary of each chapter in bullet form.
Higher Mathematics for Engineers and Physicists Sokolnikoff 2nd Ed 1941 HC
Higher Mathematics for Engineers and Physicists by Ivan S. Sokolnikoff and Elizabeth S. Sokolnikoff. Hardcover with light wear to the covers and edges. Foxing is present on the page edges, with age-related foxing/discoloration on the endpapers and the first and last several pages.