999 Letters To Yourself includes 999 letters, each of which is the author's small advice to readers. Each small letter brings a color in the reader's life with extremely poignant and unique content. When we ponder each word, we will see the colors of the world we live in, be grateful and proud of what we have, the orientations to turn dreams into reality in the future, live the life we ​​want.

Source: https://bloganchoi.com/999-la-thu-gui-cho-chinh-minh/