I read this one: http://www.amazon.com/Inspired-Create-Products-Customers-Love/dp/0981690408 http://www.amazon.com/Inspired-Create-Products-Customers-Lov... In

I read this one: http://www.amazon.com/Inspired-Create-Products-Customers-Love/dp/0981690408 http://www.amazon.com/Inspired-Create-Products-Customers-Lov... Inspired: How To Create Products Customers Love by Marty Cagan It's short, well written and covers several visions (product, engineering, etc).