I can say that it is our moral obligation to other human to know life saving measures as we never know when accidents or disaster will strike so we should be equipped with medical knowledge so in case of emergency we'd know what to do. So this book is a must for our home and my whole family loves it, we have read it go over the book and showed it to our children just to give them the basics of how necessity of knowing first aid is. This book has been very helpful and informative for everyone specially in every home.