Do you have the kid on the cover in your class? I've met him many times. This is a set of social narratives for providing expectations, perspective, and coping strategies for the classroom routines of raising hands to talk, lining up and walking quietly
I typically line kids up by calling girls first then boys, or vice versa, just to avoid a stampede. A few times, I’ve had a volunteer parent or newbie substitute … or one time a middle school teacher… call my class to “line up!