Sale price
$574
Book #1 · Picture Book · 2023
It's Optimus Prime Time!
Optimus Prime navigates new challenges as Earth's first-born Transformers emerge.
32 pages
$5.99Save 4%
Paperback
Book Series · 10 Books
Transformers: Earthspark Books
In order from It's Optimus Prime Time! to Chaos in Witwicky!. Part of Transformers: Rescue Bots.
The Transformers: Earthspark series is a set of 10 chapter books by Ryder Windham, published between 2023 and 2025. Written for ages 4–12, most books run about 65 pages.
Where the story begins
First Book in the Series
The complete set
Transformers: Earthspark Series
10 books · Published 2023–2025
Sale price
$574
It's Optimus Prime Time!
Picture Book · 2023
Optimus Prime navigates new challenges as Earth's first-born Transformers emerge.
Sale price
$1697
Optimus Prime and Megatron's Racetrack Recon!
Chapter Book · Ages 4–8 · 2023
Optimus and Megatron must prevent a secret from being exposed at a high-stakes race.
Sale price
$1697
The Terrans Cook Up Some Mischief!
Chapter Book · Ages 4–8 · 2023
Terrans attempt baking for their human family, but can robots master the art of cooking?
Sale price
$1697
May the Best Bot Win!
Chapter Book · Ages 8–12 · 2023
Terrans face off in a triathlon of wit, strength, and creativity. Who will triumph?
Sale price
$1797
Megatron Is Put to the Test
Picture Book · Ages 5–7 · 2024
Megatron's loyalty is tested: save or betray?
Sale price
$1697
No Malto Left Behind!
Chapter Book · Ages 4–8 · 2024
Robby and Mo's day spirals into chaos when a gadget goes haywire. Can they fix their mess?
Sale price
$1697
Robby and Mo, Ready for Action!
Picture Book · Ages 5–7 · 2024
New town, new school, and a secret: Earthborn Transformers emerge.
Sale price
$1797
Trio of Terrans!
Picture Book · Ages 4–8 · 2024
Newborn Transformers navigate Earth, choosing their alt-modes.
Sale price
$1697
Hashtag Danger!
Chapter Book · Ages 4–8 · 2025
A contest win turns into a Decepticon trap. Can they escape?
Sale price
$1697
Chaos in Witwicky!
Chapter Book · Ages 4–8 · 2025
Can the Maltos uncover the saboteur before they're blamed for chaos in Witwicky?
Good to know
Common Questions
How many books are in the Transformers: Earthspark series?
There are 10 books in the Transformers: Earthspark series. It began with It's Optimus Prime Time! in 2023, and the newest book, Chaos in Witwicky!, was published in 2025.
What ages are the Transformers: Earthspark books best for?
The series is best for ages 4–12, based on the age ranges of the individual books.
The people
The Creatives Behind the Books
The people who bring Transformers: Earthspark to life.
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