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Olivia’s missing her best friend Lucy who’s moved away, and someone keeps coming into her brand-new bedroom! And what’s going on with the mysterious new girl at school, Matilda?

Olivia's Secret Scribbles
Ella’s little sister has started writing down her own hilarious thoughts and adventures! It’s time to find out all about Olivia. She’s funny, fearless, and full of fun.

96 pages, Paperback

First published February 1, 2018

6 people are currently reading
138 people want to read

About the author

Meredith Costain

271 books78 followers

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5 stars
110 (53%)
4 stars
58 (28%)
3 stars
26 (12%)
2 stars
7 (3%)
1 star
3 (1%)
Displaying 1 - 18 of 18 reviews
Profile Image for alex !!.
5 reviews
March 12, 2025
Tbh this series is my childhood 3
I remember i went to the closest book store with my mom when i was younger and looked around to see if there was a newest part released…i was literally OBSESSED with it<3
To any parents reading this get this to your daughter if you like, she will really like it 🫶🏻💗
Profile Image for LG (A Library Girl's Familiar Diversions).
1,293 reviews25 followers
October 7, 2019
Olivia has started a diary in honor of moving into her new bedroom, which is in the attic of her family's house. She's now in the perfect spot to keep an eye on her neighborhood's goings on, which is fun but also sad, because she can see the empty house where her best friend Lucy used to live.

But then Olivia notices that someone new has moved into Lucy's old house. There's also a new girl, Matilda, in her class. Is it possible that she and Matilda could become friends?

A coworker of mine recently had an "Usborne Facebook party," which I decided to treat as an opportunity to get my Christmas shopping for all my sister's kids done early. I like to read all the books I give the kids, in case they say anything about them (which hasn't happened yet, but an aunt can dream), so that's the stage I'm at now. This particular book was purchased for my youngest niece.

The story is set up as though it were Olivia's diary, complete with her various drawings. Many of the entries read as though Olivia wrote them only a few minutes after the events happened.

I really liked this! I wasn't expecting a chapter book to be so interesting, but I found myself intrigued by the mystery of Matilda's strange behavior, and I enjoyed Olivia's efforts to prove that someone was entering her room when she was gone. Olivia's various intruder detection plans were fun, and her curiosity about and frustration with Matilda were believable. The book's ending was sweet, but not, I think, excessively so.

The one thing that bugged me was that it seemed simultaneously like Olivia and her family had maybe just moved into their house (based off of Olivia getting a new bedroom) but also like they'd lived there for at least a year (based off of Olivia's accounts of slipping through the fence to play with her friend Lucy). It's possible that Olivia once shared a room with one of her siblings, but if that was the case, it wasn't mentioned. It looks like this series is a spin-off of one focused on Olivia's older sister, Ella, so maybe the situation is explained more in those books.

I hope that my niece will end up liking this as much as I did.

(Original review posted on A Library Girl's Familiar Diversions.)
Profile Image for Isis kühne.
72 reviews
February 15, 2023
Ik vond dit boek echt geweeeeeeeeeeeeeeeeeeeeldig
Het is echt super grappig en er staan heeeeeeeele leuke plaatjes in
Profile Image for Mehsi.
15.1k reviews455 followers
May 20, 2019
Ik zag dit schattige boekje in de bibliotheek, en al kwam het me bekend voor, het moest toch mee. Nu kom ik er achter dat Olivia dus de zus van Ella is! Ik heb al een tijd geen Ella gelezen dus ik was dit het helemaal vergeten. Wat leuk dat zij dus ook een serie boeken krijgt. In dit deel krijgt ze een nieuwe kamer en verhuisd haar beste vriendin. Ik heb echt genoten van het verhaal en ik vond het ook leuk dat Mathilda overal in probeerde te betrekken en dat ze tijdmachines probeerde te maken (en andere uitvindingen). Ik vond het wel hilarisch dat ze zo tegen was dat iemand haar kamer in ging maar wel lekker bij iedereen anders naar binnen liep. Mathilda was niet altijd een favoriet maar met het einde kan ik haar acties beter snappen. Leuke illustraties en schattig vorm gegeven.
3 reviews
July 28, 2025
I personally love this series because it isn't only entertaining but it is also really special, there are funny pictures and silly words, it is the perfect book to read before bedtime.

my new best friend is about olivia's best friend moving away, and someone new moved in and happened to be the same age as olivia making her olivia's new best friend.
Profile Image for Jessica.
46 reviews
March 12, 2019
Love how this feels like it's coming from a child's mind.
61 reviews
April 7, 2022
Donkey talk
1 swish = yes
2 swishes = no
3 swishes = maybe
4 swishes = danger! beware! run away!
28 reviews
November 16, 2022
Good book to read aloud to young daughter. She enjoyed the doodles with the story
Profile Image for Marleen.
227 reviews
May 16, 2023
M'n oudste dochter heeft het in één adem uit gelezen :)
285 reviews3 followers
June 30, 2023
My favourite part was when Olivia made a new best friend Matilda, after her old best friend Lucy moved to the city. I like how this book is written like a diary.
Profile Image for Jenn.
1,221 reviews3 followers
January 19, 2020
Reading with Lexi. She got this for her birthday. It seems like a younger version of "Dork Diaries" or "Diary of a Wimpy Kid".

It is pretty basic, but early chapter book readers might like it. I've definitely read better. Too many plotlines and pieces of info that weren't necessary or weren't tied up sufficiently.
Displaying 1 - 18 of 18 reviews

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