The latest issue is focused on creativity, there are some great sources referenced relating to genius, creativity, and play. Also some findings mentioned that were surprising (boys who rough-house more when younger were measured later in life as having more flexible social skills.)

A couple of the concepts were very interesting when I considered them in terms of gifted misdiagnosis:
Cognitive inhibition and cognitive flexibility, and the idea that high levels of creative achievement may be strongly related to having solid skills in manipulating these.