https://www.amazon.com/Higher-Call-Duty-Sara-Bush/dp/0692130373/ref=sr_1_1?dchild=1&keywords=A+Call+to+Higher+duty+Sgt+Mike&qid=1626207284&s=books&sr=1-1

Sgt. Mike McGrew served 31 years as a police officer protecting the community from the bad intentions of others but found himself unprotected from failed marriages, addictions, cancer, watching his beloved young son die of cancer and another son addicted. Then Sgt. McGrew finds hope in the chaos of his shattered life. This is a story of uncovering hope and finding redemption in the worst of circumstances. A Higher Call to Duty recounts Mike’s remarkable policing career, his descent into despair, his miraculous recovery and the launch of 911 At Ease International to rescue other first responders from trauma.