Overall, there are several ???big ideas??? shown throughout Inch by Inch; for example, the book familiarizes children with various types of birds, introduces measuring, and the act of problem solving, which is seen by the worms ability to inch his way out of being eaten by different birds. ( ) Mdierd1 | Mar 30, 2014 | This is a story of an inchworm who is about to get eaten by a bird.