Get ready to time travel, because we have four brilliant Secret Diary books to give away - and they'll give you a fantastic insight into times gone by!
Written by Grubtown Tales author Philip Ardagh and illustrated by Jamie Littler, these super titles help us understand what life was like for people living in the past.
Meet Victorian house maid Jane Pinny, dealing with the sudden disappearance of a valuable necklace, or sneak around with Tudor boy spy Thomas Snoop.
You can also join smuggler's daughter Kitty Cask in Cornwall for an adventure involving shipwrecks and prison breaks, or find out what it's like to be a medieval knight in training with John Drawbridge.
Published by Nosy Crow in association with the National Trust, the stories include fascinating facts and incredible trivia that will leave young readers desperate to find out more.
And we have a set of all four books to give away! To enter, just answer the question below and leave your details before the closing date of 11pm on Wednesday, 20 March. Good luck
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Chief Bargain Hunter