The Invisible Boy by Trudy Ludwig Lesson on kindness, unkindness, friendship, and acceptance. This resource is great for teaching social skills and reading comprehension skills, sequencing, main idea and details, themes, retelling and much MORE! A story about an invisible boy who goes unnoticed in the classroom. Kids love this book and can identify places and times they felt invisible. Beautiful story of kindness, unkindness, and friendship, with even more beautiful illustrations by Patrice Bart