Synopsis: Friendship--and trains!--take center stage in this gentle, inviting story about paying attention to other people's feelings. A perfect book for kids on the Autism Spectrum , and/or with ADHD/ADD.Two boys' fun train-track-building project takes a turn when one of the boys obliviously insists on only doing things his way. Their disagreement spells disaster for the train and the friendship, until a kind teacher steps in and explains how to tell…