$40 (save ~$25) iClicker2 (newish) - http://tinyurl.com/mu3ppkd

$70 (save $25) CS 107 – Computer Systems a Programmer’s Perspective http://tinyurl.com/mwa9cot

$80 (save ~$20) CS 103 (Mathematical Foundations of Computing) - book is 2nd edition http://www.amazon.com/Introduction-Theory-Computation-Michael-Sipser/dp/0534950973

$25 CS 106B (Programming Abstractions) – Course Reader (2012)

$40 (save $20) PSYC 135 (Sleep and Dreams) – The Stanford Sleep Book http://www.end-your-sleep-deprivation.com/stanford-sleep-book.html#order

$50 (save $30) PHYS 41 – Physics for Scientists and Engineers http://tinyurl.com/mwukfwj