Here are a few pictures of World Book Day in Calderdale over the years - can you spot anyone you know?
1. World Book Day
World Book Day at Wainstalls School back in 2013 Photo: Charles Round
2. World Book Day
Lee Mount Junior and Infant School back in 2002.
3. World Book Day
Warley Road Junior and Infant School World Book Day back in the 2000s
4. World Book Day
World Book Day at Todmorden C of E School back in 2009 Photo: National World