How to get involved with World Book Day 2021 By Alice Prentice Published: 18:30, 02 March 2021 Get the Courier and Groat sent to your inbox every week and swipe through an exact replica of the day's newspaper World book day is a worldwide celebration of all things surrounding books and reading for kids. In a world that is constantly being upgraded with new technologies that tightly grip the attention of young people, simply reading a book for pleasure has never been more crucial. World Book Day says; "Reading for pleasure is the single biggest indicator of a childâs future success â more than their family circumstances, their parents' educational background or their income".