And our readers captured 50 of them – check out these fantastic photos of Burnley pupils dressed as their favourite characters:
45. World Book Day
Ria, 8, as Gangster Granny. Photo: s
46. World Book Day
Hallie-Jae, 3-years-old, dressed as Alice in Wonderland. Photo: s
47. World Book Day
Trixie Forrest, nine, as the White Rabbit from Alice in Wonderland. Photo: s
48. World Book Day
Martha, 10, as Pippi Longstocking. Photo: S