The Genius of Margaret Wise Brown's Goodnight Moon. This is the fourth in a series exploring the 21 +/- conditions that researchers have identified as helping to facilitate a state of flow. The list of conditions is certainly not exhaustive! I'd love to hear from you if you've found other ways to set yourself up for optimal experiences - please share your thoughts in the comments! Margaret Wise Brown’s Goodnight Moon  was not a staple of my childhood. I don’t ever remember se