The Positive Classroom: challenging behavior-despite some of the happy-joy-joy ideas, it's still worth a read. I like the examples of how to address behaviors positively and calmly, and gives a closer view of some of the psychology behind it. Worth more than an entire semester of my Ed. Psych. class.
Create an Anti-Anxiety Kit for Your Child - includes free printable relaxation prompt cards> Could be useful when children are misbehaving from feeling frustrated, angry or stressed. Guide them to the stress kit and invite them to come back after they've completed one of the activities.