Stanford University, one of the world's leading teaching and research institutions, is dedicated to finding solutions to big challenges and to preparing students for leadership in a complex world. Throughout the course there are many interactive elements. These include: simulations,walk-throughs that integrate voice and graphics to explain an example of a procedure or a difficult concept, and, most prominently, interactive activities in which students practice problem solving, with hints and immediate and targeted feedback. PDF file of book (12th printing with corrections and table of contents [thanks to Kamy Sheblid], Jan 2017) PDF file of book (12th printing with corrections, Jan 2017) Throughout the course there are many interactive elements. These include: simulations,walk-throughs that integrate voice and graphics to explain an example of a procedure or a difficult concept, and, most prominently, interactive activities in which students practice problem solving, with hints and immediate and targeted feedback.