Somebody posted a book years ago about mental toughness. It was an older book.  I read it then and need to read it again. Does anyone remember the book? I’ve tried the search function...

I am not sure on the exact book you are referring to but some good books I have read are:

Mind Gym by Gary Mack,  Relentless by Tim Grover, The Confident Barrel Racer by Heather Smith

Mind Gym by Gary Mack is great!

Yes!! These 3 are my go to!  

That Winning Feeling by Jane Savoie.  It will make you feel like you can conquer the world horse back when you're done.  Not long and a very easy read.  

Found or still looking?

The Winner Within by Pat Riley