When his daughter Brenna graduated from high school this week, Bryan Martin presented her with a copy of the book, “Oh the Places You’ll Go,” by Dr. Seuss.

Typical graduation gift, right?

As Brenna was ready to discard the book without opening it, Bryan promptly told her,  “No, open it up.”

Puzzled by the request, Brenna opened the book and saw that it was completely filled with short notes and letters. On the first page, she read a note from her kindergarten teacher.

And so, the dad explained his thoughtful gift, “Every year, for the past 13 years, since the day you started kindergarten I’ve gotten every teacher, coach, and principal to write a little something about you inside this book.”

Brenna was absolutely floored by the gift, so much so that she decided to post it up on Reddit. The story and photos gained huge traction from people who were touched and inspired by the amazing gift. A few parents even wrote that they are planning to do the same thing for their kids as well.

Brenna’s dad saw the viral Reddit conversation and chimed in, “I cannot believe Brenna posted this… she has always been the light of my life. Doing this was just a small way of letting her know.”