This reminds me of ‘Where the Sidewalk Ends’ by Shel Silverstein.
https://www.bustle.com/articles/28245-shel-silversteins-where-the-sidewalk-ends-still-has-lessons-for-us-grownups
I believe we passed our copy from the children to our grandchildren.
The same Shel Silverstein, also a big name over at Playboy.
I loved that book. Still have it somewhere...