As always we've been in inundated with hundreds of fantastic pictures, but sadly we can't feature them all.
Here are some of your best efforts this year.
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World Book Day across Preston: From the Gruffalo to Baby Yoda, here are your dressed-up little bookworms
By Iain Lynn
Published 4th Mar 2021, 18:31 GMT
Updated 4th Mar 2021, 19:11 GMT
Every year we celebrate your little bookworms' literary efforts on World Book Day, and this year is no different.