Do personalized books actually help children read?

We make personalized children's books. So when we say the evidence for them is more limited than our industry implies, take that as a company arguing against its own marketing department.

We wanted to know the answer properly, because the claims flying around this category are not good. There's a statistic doing the rounds — that children who see themselves in stories are "2.5 times more likely to enjoy reading" — attributed to the National Literacy Trust and repeated across a dozen personalized book websites. We went looking for it in the Trust's actual publications and couldn't find it. As far as we can tell, it's marketing copy that acquired a citation by being repeated often enough.

So here's what the research does say, what it doesn't, and what we think you can reasonably conclude.

What the research supports

A third of children don't see themselves in what they read

The National Literacy Trust's work on diversity in children's reading found that 32.7% of children and young people aged 9 to 18 said they didn't see themselves in what they read. That proportion was higher for younger children, for children from ethnic minority backgrounds, for children from lower-income homes, and for those who described their gender as other than "boy" or "girl".

That's a real, measured gap, and it's the strongest factual foundation under the whole idea of personalized books. A third of children are reading about people who aren't like them.

Reading engagement is low, and not improving quickly

The Trust's 2026 research reported a modest rise in children's reading engagement — while noting levels remain low. Whatever is currently being done at scale is not moving this much.

Interest and choice drive reading motivation

This is the best-established finding in the area, and it comes from a large body of reading motivation research rather than any single study. The factors consistently associated with children's motivation to read include choice, interesting texts, self-concept as a reader, and opportunities to talk about books.

The finding that matters most here: children stay engaged with texts that genuinely interest them even when those texts are difficult. Interest does some of the work that reading ability would otherwise have to do.

Representation matters to parents, and to children

More recent academic work — Scorer's 2025 study in Literacy — looked at parental perspectives on ethnically and culturally diverse reading material, including how Global Majority parents assess progress in representation against their own childhood experience of its absence.

What the research does not support

Now the part our industry tends to skip.

No one has shown that buying a personalized book improves literacy outcomes. There is, as far as we can find, no study that takes a group of children, gives half of them personalized books, and measures reading ability afterwards. The claim that these books "make children better readers" is not supported, because the study that would support it hasn't been done.

"Representation matters" is not the same as "personalization works". The research on representation is mostly about children seeing their culture, ethnicity, family structure and lived experience reflected in books. That is a broader and deeper thing than a book with your name on the cover. A personalized book might be one route to it. It is not the same thing, and the research on one doesn't automatically transfer to the other.

Interest-driven engagement is well evidenced. The mechanism for a personalized book is a reasonable inference from it, not a demonstrated finding. If children engage more with texts that interest them, and a child is interested in themselves, then a book about them should be engaging. That reasoning seems sound to us. It is still reasoning, not evidence.

Novelty effects are a genuine unknown. A book about your child is exciting the first time. Whether that survives the fifth read, or transfers to books that aren't about them, we don't know. Nobody has measured it.

So what can you reasonably conclude?

Our honest reading:

A personalized book is a well-aimed instance of something that does work — a book matched closely to a child's interests, in which they can see themselves. Interest and representation both have real support behind them. A personalized book is a plausible delivery mechanism for both.

It is not a literacy intervention. If a child is struggling to read, they need appropriate support — a teacher, a specializt, a proper assessment. A personalized book is not a substitute and we'd be uncomfortable if anyone bought one thinking it was.

It might help a reluctant reader pick something up. Reluctance is often about motivation rather than ability, and motivation is the part where interest genuinely matters. Plenty of parents report a child finishing a book about themselves that they'd have refused otherwise. That's anecdote rather than data — but it's consistent with what the motivation research would predict.

The most valuable thing might be the shared reading, not the book. Reading with a child is among the better-evidenced things a parent can do. A book they're excited about is a book they'll ask you to read again. That's not nothing, and it isn't really about personalization at all.

If you're buying one for a reluctant reader

Some practical thoughts, which apply whoever you buy from — including if you don't buy one at all:

• Choose the subject they actually care about, not the one you'd prefer. Football, Minecraft, snakes, whatever it is. The interest is the mechanism; overriding it defeats the point.
• Don't make it homework. A book presented as a treat works differently from one presented as practice.
• Match the reading level honestly. A book too hard is a book abandoned, and personalization won't rescue it.
• Read it together first. The shared read is doing at least as much work as the personalization.
• Don't expect it to fix anything by itself. If reading is a real struggle, talk to their teacher. This is a nudge, not a treatment.

Why we're telling you this

Because a page full of confident claims about reading outcomes would sell more books, and we'd rather have a page that's true.

If you're weighing up whether a personalized book is worth it, the honest answer is: it's a nice book that's well matched to your child, and there's decent reason to think that helps them engage with it. Anyone promising more than that — including anyone selling you a 2.5× improvement in reading enjoyment — is telling you something they can't back up.

Sources

• National Literacy Trust, Diversity in children and young people's reading in 2022 — https://cdn.literacytrust.org.uk/media/documents/Diversity_in_children_and_young_peoples_reading_in_2022.pdf
• National Literacy Trust, Children and young people's reading in 2026 — https://literacytrust.org.uk/news/our-latest-research-shows-modest-rise-in-childrens-reading-engagement-but-levels-remain-low/
• Reading Rockets, Reading Motivation: What the Research Says — https://www.readingrockets.org/topics/motivation/articles/reading-motivation-what-research-says
• Scorer, Children need to see themselves in their reading material: parental perspectives on the importance of ethnically and culturally diverse reading material, Literacy (2025) — https://onlinelibrary.wiley.com/doi/10.1111/lit.12379
• National Literacy Trust, Building Reading Communities — https://literacytrust.org.uk/communities/building-reading-communities/