Presenting theory while using Mathematica in a complementary way, Modern Differential Geometry of Curves and Surfaces with Mathematica, the third edition of Alfred Gray’s famous textbook, covers how to define and compute standard geometric functions using Mathematica for constructing new curves and surfaces from existing ones. Since Gray’s death, authors Abbena and Salamon have stepped in to bring the book up to date. While maintaining Gray's intuitive ap...

Collects Star Wars: Doctor Aphra (2016) #37-40, Star Wars: Doctor Aphra Annual (2016) #3 and material from Star Wars: Empire Ascendant (2019) #1. Right back where she started! After all she’s been through, professional disaster zone Doctor Aphra has found herself once again working for Darth Vader. What insidious use has the dark lord found for Aphra to make him spare the life of his most annoying foe? And how much time does she have to slither out of harm’s way before he decides to finish...