Available for pre-order:
http://www.amazon.com/Doing-Good-Better-Effective-Difference/dp/1592409105/ref=sr_1_2?ie=UTF8&qid=1431096033&sr=8-2&keywords=effective+altruism
Available for pre-order:
http://www.amazon.com/Doing-Good-Better-Effective-Difference/dp/1592409105/ref=sr_1_2?ie=UTF8&qid=1431096033&sr=8-2&keywords=effective+altruism