The fab photos capture pupils in the Larne, Carrickfergus, and Newtownabbey areas between 2012 and 2016.
Can you spot anyone you know?

9. World Book Day
Sophie, Imogen, Ava, Ryley and Izzy on World Book Day in Larne and Inver PS, 2013. INLT 11-332-PR Photo: P. Rippon

10. World Book Day
Celebrating World Book Day at Mossley PS in 2014 were pupils Sinead, Zara, Harvey, Cole, Caitlin and Damien. INNT 11-209-AM Photo: Alistair Mawhinney

11. World Book Day
Pictured at St Mary's on the Hill Primary School during World Book Day 2012 were Alisha and Caoimhe. INNT 10-094-FP Photo: Freddie Parkinson

12. World Book Day
Cairncastle PS pupils Aimee, Naomi, Andrew, Tyler and Joel with ASDA's Catherine McCallion on World Book Day 2016. INLT 10-213-AM Photo: ALISTAIR MAWHINNEY
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