Last updated: September 5, 2026 · Chosen by Sarah Bennett, editorial lead at Kids Books
By ten, most children have quietly decided what kind of reader they are — and the ones who still read for pleasure are almost always series readers. One good book is a nice evening; a series is an identity. The catch with most book series for 10 year olds is what happens after book one: the momentum has to survive a wait, a longer sequel, or a plot your child has stopped caring about.
The Lena series is built the other way round. Eleven short books about one ordinary girl, each a complete story of about twenty minutes, each about something a ten-year-old actually faces — anger that arrives out of nowhere, a group chat that goes quiet, the pull of a screen, giving up before anyone can watch you fail. Read one and something is finished. Read them all and your child has watched one character walk through almost every hard moment of being ten.
Why a series beats a stack of single books
Parents searching for a book series for 10 year olds are usually shopping for momentum, not a single title — and teachers will tell you that what reluctant readers actually finish is nearly always a series. The reasons are practical, not sentimental. A familiar character removes the start-up cost of every new book: your child already knows who Lena is, so page one is never a stranger. A shelf that fills up turns reading into collecting, and collecting is a game every ten-year-old already knows how to play. And a series hands parents a repeatable move — when one book lands, the next is an easy yes instead of a fresh negotiation.
Most series at this age buy that momentum with length: eight fantasy volumes, three hundred pages each. That suits the child who already reads. For the child who doesn’t, the Lena books keep the series shape — one heroine, one recognisable world, a shelf that fills — but every book is finishable in a single evening. The win arrives on day one, not in week three.
Every book in the series
Eleven stories, one character, no cliffhangers. Because each book stands alone, the list below sorts them by the situation they tackle — pick the one closest to your week.
| # | Story | What it tackles |
|---|---|---|
| 1 | School Secrets (The Big Challenge) | Courage, when doing the right thing is the expensive option |
| 2 | A Volcano Inside Me | Anger that arrives all at once |
| 3 | The Hospital Secret | Worry and overthinking |
| 4 | Who Erased My Name? | Being left out as friendship groups rearrange |
| 5 | A Dress Like Ella’s | Comparing yourself to what you see online |
| 6 | The Trap in My Phone | Telling an adult when something online goes wrong |
| 7 | Sixty Cakes in the Bin | Perfectionism and quitting before failing |
| 8 | Tomorrow’s Thief | Putting things off |
| 9 | Who Will Save Me From Boredom | Boredom and reaching for a screen |
| 10 | Never Insult the Yellow Cheese | Gratitude, and wanting what others have |
| 11 | The Empty Wish Chest | Thinking for yourself instead of following the crowd |
Do they have to be read in order?
No — and at ten that is a feature, not a compromise. Every Lena book is a complete story with its own beginning and ending, so the series has no wrong door: a child who starts at book seven has missed nothing except ten other good evenings. Series order matters far less than the first book landing, which is why the table above sorts by situation instead of by number.
If nothing up there jumps out, start with School Secrets — the original Lena story — and let the shelf grow in whichever direction your child pulls it.
Reading the whole series: complete sets and class packs
A search for a book series for 10 year olds usually ends with more than one book in the basket — that is rather the point of a series. If the plan is all of it, the sets below arrive as one parcel instead of eleven separate decisions.
- Class Library — 11 Lena books: one copy of every story in the series. It is built for a classroom shelf, and it is also the fastest way to put the complete set in one child’s bedroom.
- Guided Reading Set — 11 copies of one story: a class set of a single title, for reading groups where everyone holds the same book.
- Year Group Pack — 37 Lena books: the series at year-group scale, with enough copies to circulate.
- Whole-School Pack — 75 Lena books: the full series across a whole primary school.
Prefer to pick the mix yourself? Build a 3, 6 or 10 book bundle and choose which stories go in the parcel.
Buying for a nine-year-old, or an eleven-year-old?
The series is written for ages 8–12, and the same eleven books read differently along that band. If your reader is a year either side of ten, the books for 9 year olds and books for 11 year olds pages sort the same series around what those years actually look like — and at the top of the band, books for 12 year olds makes the case to the almost-teenager.
Where to start
The best book series for 10 year olds is whichever one your child finishes — so start with one book, not eleven. Pick the story nearest to your week from the table, or read a free story first — the whole book, not a sample. If you would rather see everything in one place, the overview of our children’s books for ages 8–12 covers every title and both formats, and the collection of moral stories for kids ages 8–12 groups the same books by theme.