I read half of it.
Too many cheery anecdotes about Lawrence Cohen's own family and therapy patients, which all show what a Goofy Guy Larry is.
Important good things: play is an important means of communication for children; play can be a means of changing the energy of a situation, of backing off from an area of conflict for a time, or a tool with which to resolve it; play can be a way of reconnecting with the people we cohabit with.
Bad things: "follow the giggles" - because IMO giggling can indicate fear and nervousness
: he does not like TV and thinks that it stops children from being able to play imaginatively - because they are following someone else's script. I've seen 4 year olds tell/act out The Three Bears without tolerating hesitation, repetition or deviation and it didn't take a TV show to fix the narrative.