[holyjaw]

What's the difference between the Red book [1] and the Black book [2]?

1: http://www.amazon.com/whys-poignant-guide-Ruby-color/dp/1512...

2: http://www.amazon.com/whys-poignant-guide-lucky-stiff/dp/151...

[cb33]

"why's (poignant) guide to Ruby: in color" is in color, the other one is not.