Over the past year, author and former Major League baseball player Ben Petrick has developed a loyal readership for his stories about his remarkable life, beginning with his meteoric rise from prep hero to big-league catcher; to the concealment of his stunning Parkinson's diagnosis after his rookie season; to his return home to a very private life with his wife and daughter; and finally to his decision to undergo a highly risk procedure to lessen his symptoms — not once, but twice.