You should check out Inspired - How to create products customer love by Marty Cagan. I found it extremely concise and useful. http://www.amazon.com/Inspired-Cr

You should check out Inspired - How to create products customer love by Marty Cagan. I found it extremely concise and useful. http://www.amazon.com/Inspired-Create-Products-Customers-Love/dp/0981690408/ref=sr_1_1?ie=UTF8&s=books&qid=1294301344&sr=8-1 http://www.amazon.com/Inspired-Create-Products-Customers-Lov...