Amazon: http://www.amazon.com/dp/1461471370 Springer: http://www.springer.com/statistics/statistical+theory+and+methods/book/978-1-4614-7137-0 Author's website: http://www-bcf.usc.edu/~gareth/ISL/ Free textbook PDF: http://www-bcf.usc.edu/~gareth/ISL/ISLR%20First%20Printing.pdf Data sets: http://www-bcf.usc.edu/~gareth/ISL/data.html R code: http://www-bcf.usc.edu/~gareth/ISL/code.html