This lot includes three signed engineering books from the personal library of Challenger astronaut Judy Resnik. (1) Modern Electromagnetic Fields, by P. Silvester, 1968(featuring highlighted passages and an inserted page of notes in Judy's handwriting); (2)An Introduction to Ordinary Differential Equations, by Earl A. Coddington, 1961, Signed on the front cover and inside by Judy Resnik; and (3)Calculus and Analytic Geometry, Third Edition, Complete, by George B. Thomas, Jr., 1960,Signed on the front cover by Judy Resnik.