World Book Day 2025 Costume Ideas. With world book day just around the corner, we’ve put together some costume ideas to help inspire you. Sign up to our newsletter to hear more about the campaign and discover our resources now available to download, packed with fantastic ideas and tools to help you.

Whether you’re looking for an easy diy costume or something a bit. World book day, rubies and parentkind are teaming up to give more children the opportunity of dressing up for world book day, to find the fun in reading.