I would say this is an absolutely essential book to have and read.
I didn't know much about the topic but this book has given me not only knowledge but also useful advice.
Depression in later life is a real thing especially nowadays.

This book has given me knowledge that will help me as my relatives age. I have a better understanding of what to watch for and how to help if an older relative experiences depression.

If you are a senior this is a good book to better understand depression as you age. The problems seniors face are many and depression is rabid among the elderly. The author has documentation here that can be read by any layperson and any senior suffering from depression. it is a helpful scientific look at depression in later years.