For years on World Book Day, children have turned up to class dressed as their favourite book characters. But this year, an entire school in Essex was transformed into the Hogwarts School of Witchcraft and Wizardry,

World Book Day is also celebrated by celebrities who have been taking to social media to show their children's adorable costumes.

World Book Day is being celebrated across Leicestershire today as thousands of children don costumes of their favourite literary characters. Schools, libraries and nurseries throughout the county are taking part in the international event which highlights the importance of reading.