New to the series
Begin with Bo's Magical New Friend, especially for a child moving from picture books into short chapter books.
Book Series · 12 Books
Unicorn Diaries Books
In order from Bo's Magical New Friend to Legend of the Sea Dragon.
Full-color diary-style early chapter books about Bo and her unicorn friends at Sparklegrove School.
Reviewed by the Bookroo Editors Updated
Reading order
How to Read the Unicorn Diaries Books
Publisher numbering is the clearest path from Bo's Magical New Friend through Legend of the Sea Dragon. Each school or friendship problem is fairly self-contained, but book one gives Sparklegrove its best introduction.
Sources: Official series inventory.
For parents
What Parents Should Know
Friendship worries, lost magic, storms, witches, and dragons create gentle suspense. Scholastic aims the highly illustrated series at children beginning to read chapter books independently.
Where to start
Where Should My Child Start?
Where the story begins
First Book in the Series
Sale price
$474
Book #1 · Chapter Book · Ages 5–7 · 2019
Bo's Magical New Friend
A new unicorn named Sunny appears in Sparklegrove Forest and befriends a unicorn named Bo, who tries to help him discover his special power.
80 pages· 2,791 words· Est. 47 min read
$4.99Save 5%
Paperback
Summary: Bo Tinseltail, a Wish Unicorn at Sparklegrove School, dreams of finding a best friend. When Sunny Huckleberry arrives, Bo wonders if her wish will be granted. But Sunny's unknown magical power adds a twist. Can Bo help Sunny discover his gift, and will it lead to the friendship she desires? Dive into this enchanting tale of magic and friendship.
In reading order
Unicorn Diaries Series
12 books · Published 2019–2026
#1
Sale price
$474
Bo's Magical New Friend
Chapter Book · Ages 5–7 · 2019
A new unicorn named Sunny appears in Sparklegrove Forest and befriends a unicorn named Bo, who tries to help him discover his special power.
#2
Sale price
$474
Bo and the Dragon-Pup
Chapter Book · Ages 5–7 · 2020
A group of unicorns solve a mystery involving a missing patch blanket and other stolen items in their forest home
#3
Sale price
$474
Bo the Brave
Chapter Book · Ages 4–8 · 2020
A group of unicorns go on a camping trip and learn about bravery and friendship
#4
Sale price
$574
The Goblin Princess
Chapter Book · Ages 5–7 · 2020
A group of unicorns and their friends help a bored goblin princess use her imagination to solve problems in the forest.
#5
Sale price
$574
Bo and the Merbaby
Chapter Book · Ages 5–7 · 2021
A group of unicorns go on a quest to help a merbaby who was born with only one tail fin
#6
Sale price
$574
Storm on Snowbelle Mountain
Picture Book · Ages 5–7 · 2022
A group of unicorns go on a camping trip to explore Snowbelle Mountain and earn their Explorer patch
#7
Sale price
$574
The Missing Magic
Picture Book · Ages 5–7 · 2022
A group of unicorns embark on a quest to restore magic to their forest after it mysteriously disappears
#8
#8 in Series
Graphic Nov.
Sale price
$574
Welcome to Sparklegrove
Picture Book · Ages 5–7 · 2023
A group of unicorns befriend a family of jackalopes who are in danger from mean centaurs and work together to protect them and make them feel welcome in their forest home
#9
Sale price
$674
The Glitter Bug
Picture Book · Ages 5–7 · 2023
A group of unicorns try to overcome a mysterious illness that causes them to sneeze uncontrollably and sets off their magical powers
#10
Sale price
$674
Bo and the Witch
Chapter Book · Ages 5–7 · 2024
A witch crash-lands in the forest. Can unicorns help her return home?
#11
Sale price
$674
The Secret of the Lost Gold
Chapter Book · Ages 5–7 · 2025
A storm-ravaged forest needs saving, but a griffin guards the key to restoration.
#12
Sale price
$759
Legend of the Sea Dragon
Chapter Book · Ages 5–7 · 2026
Unicorns seek a mythical sea dragon at Silver Shell Beach.
Good to know
Common Questions
How many books are in the Unicorn Diaries series?
There are 12 books in the Unicorn Diaries series. It began with Bo's Magical New Friend in 2019, and the newest book, Legend of the Sea Dragon, was published in 2026.
What order should you read the Unicorn Diaries books in?
Start with Bo's Magical New Friend and follow the series order — the books above are numbered #1 through #12.
What ages are the Unicorn Diaries books best for?
The series is best for ages 4–8, based on the age ranges of the individual books.
Which Unicorn Diaries book is the longest?
The Secret of the Lost Gold (Book #11) is the longest book in the series at 3,191 words (80 pages).
Which Unicorn Diaries book is the shortest?
Storm on Snowbelle Mountain (Book #6) is the shortest at 2,483 words (80 pages).
The people
The Creative Behind the Books
The people who bring Unicorn Diaries to life.
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