Schools from the Scarborough, Whitby and Bridlington area sent in photos from the big day.
See if your youngsters feature.
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IN PICTURES: Scarborough, Whitby and Bridlington school pupils enjoy World Book Day 2024
By Duncan Atkins
Published 7th Mar 2024, 18:11 BST
Updated 8th Mar 2024, 12:52 BST
From Mister Men to Oompa Loompas, youngsters from the area’s schools got into character when they took part in this year’s World Book Day.