The fab photos capture pupils in the Larne, Carrickfergus, and Newtownabbey areas between 2012 and 2016.
Can you spot anyone you know?
13. World Book Day
Wally wasn’t hard to find at Sunnylands Primary School as Emma Penny, Preston Marshall, Riley Bristow, Heidi-Maria Hoey and Harvey Culbert dressed up for World Book Day in 2015. INCT 10-026-GR Photo: Graham Ross
14. World Book Day
Pupils from P3 at Larne and Inver PS dressed up for World Book Day in 2015. INLT 10-212-AM Photo: Alistair Mawhinney
15. World Book Day
Catherine McCallion, Larne ASDA Community Champion visited Cairncastle PS on World Book Day 2015 to present some books and read a story with the school's P1 class. INLT 10-220-AM Photo: Alistair Mawhinney
16. World Book Day
Dressed as their favorite characters for World Book Day 2015 are Larne and Inver Primary School P4 pupils Ruth, Sophie, Truly, Finlay, Alistair and Charlie. INLT 09-005-PSB Photo: Phillip Byrne