When they only want one character
The obsession is information, not a phase to wait out.
Why it happens
A character a child already knows removes most of the work from a book. They do not have to learn who anyone is, what the world looks like, or whether it is going to be all right in the end. All that is left is the story, which is the part they came for.
That is also why a completely unrelated book is sometimes refused flat. It is not a judgement on the book. It is a bigger ask than it looks.
What the obsession is telling you
Look past the character at the shape of the books. Peppa is short, funny and about ordinary family life. Spot is a lift-the-flap book with about twelve words on a page. Bluey is a joke a parent gets too. Those are three completely different things to like, and the character is the least transferable part of any of them.
A child who loves Spot usually wants more flaps, not more dogs. That is the sort of substitution that works, and it is the one this site is built to make.
What not to do
Do not ration the favourite to force variety. It turns reading into a negotiation, and the favourite wins anyway.
And be wary of the merchandise. A famous name sells anything, so a lot of what is published under it is sticker books, colouring books and annuals rather than stories. We leave those off this list on purpose, which is why a character here sometimes has fewer books than a shop will show you.
Books that travel well from a favourite
Chosen for the shape of the book rather than the face on the cover.
These links earn us nothing. No shop pays for a place on this list. How this site makes money
Lifting flaps and pressing things
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Maisy's Wonderful Weather Book
Lucy CousinsSame author — it will feel familiar.
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Peek-a-boo!
Janet AhlbergHas flaps, like the ones they already enjoy.
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Sitting through a picture book
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Brown Bear, Brown Bear, What Do You See?
Bill Martin Jr.Also about bears.
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What the Ladybird Heard Next
Julia DonaldsonOne for a child who likes animals.
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Guess How Much I Love You
Sam McBratneyA picture book with thick board pages.