Zane is different to other kids.
He has his own made-up language.
He likes to line things up.
And he is frightened of things that don't seem to bother other people -- like the colour black.
His father gets frustrated and angry with Zane.
His mother tries hard to explain things to him.
But nothing seems to work.
Zane just scrunches himself up into a ball and screams.
Things are looking pretty bleak for Zane and his family; that is, until Zane's big sister starts to draw a chalk rainbow at the .
