Pep Talk Postcard Book. The Pep Talk postcard book is a top seller at Paper on Pine. This book can be your personal pep talk kit, making it easy to brighten people’s days, turn frowns upside down, and serve as a personal cheering section for all the deserving folks in your life. You can drop in the mail, frame them for a wall of encouragement, or hide one in a friend’s bag. The pep talk possibilities are endless.