Colin’s Monster

Holly Swain author

Format:Paperback

Publisher:HarperCollins Publishers

Publishing:27th Aug '26

£7.99

This title is due to be published on 27th August, and will be despatched as soon as possible.

Colin’s Monster cover

The brand new children’s illustrated picture book for ages 3 to 6 perfect for Halloween 2026

Colin and Duck are back – and this time, there’s something lurking in the castle dungeon!

Colin and Duck are back – and this time, there’s something lurking in the castle dungeon!

The third book in the award-winning Colin and Duck series!

Welcome back to Colin’s Castle – where Colin and Duck have noticed a VERY strange noise! They search from top to bottom, finding rooms they have never been in before – and rooms they will never go in again. Soon there is only one place left to look … the DUNGEON!

Uh-oh! Colin and Duck have never been inside the dungeon. What – or who – is making the noise … and why?!

• Love Traitors? Check out this seriously suspenseful picture book!

• The perfect book to share or gift during spooky season!

• A hilarious readaloud story

Colin’s Castle won the English Association 4–11 Picture Book Award 2024 and the Oxfordshire Book Awards Best Picture Book 2025.

Praise for Colin’s Castle:

“Hilarious” – The Sunday Times

"[a] superbly humorous picture book” – V's View from the Bookshelvesblog

“Full of humour and beautifully illustrated, young readers will enjoy the duck's antics and Colin’s attempts to live a bird-free life" – RTÉJr

“The illustrations of Colin and his duck are delightful and the details of the castle are brilliant! […] This is definitely a book to enjoy together in the autumn term.” – Scope for Imagination Blog

Colin's Castle is gentle and hilarious, and the illustrations are full of so many wondrous little details. Colin is a utter DELIGHT.” –LoveReading4Kids

"A perfect autumnal treat, Colin’s Castle is a story which will have children laughing hysterically before bedtime or in their classroom." – Check ‘Em Out Books blog

“With a fiendishly funny adventure to enjoy, two unlikely adversaries, and a whole castle full of laughs, you won’t want to duck out of this rollicking romp!” – Lancashire Evening Post

ISBN: 9780008792176

Dimensions: 280mm x 220mm x 2mm

Weight: 270g

32 pages