One thing I've learned about life sciences is that you can learn a lot about how to do right by looking at what went from. This is why we've been reading many books on play therapy and occupational therapy to be able to notice when and where intervention is needed and how to mitigate the issues at home before or even without the extra professional help. There definitely needs to be way more research done on SPDs. I personally find that all young kids have some sort of minor sensory issues that can follow them their whole life. This book provided very simple games and activities that require little to no equipment, that require you to think on the fly, to help your kid learn to tolerate or properly react to certain sensory sensations. There is so much to learn and read about SPDs. We loved this book because it covered ten kinds of sensory disorders and play therapy for children who feel too much or too little. I learned a ton