Book Series · 1 Book

Halley Harper, Science Girl Extraordinaire Books

The Friendship Experiment
The Friendship Experiment
The Friendship Experiment
The Friendship Experiment
The Friendship Experiment
Where the story begins

First Book in the Series

The Friendship Experiment
Sale price
$958
Book #2 · Chapter Book · Ages 8–12 · 2018

The Friendship Experiment

By Tracy Borgmeyer

Can Halley save her friendship and secret diary at Camp Eureka?

173 pages
Paperback
Summary: Halley Harper returns to Camp Eureka, but without her best friend Gracelyn, everything feels different. Facing a new bully and an explosive chemistry show, Halley’s summer takes a turn for the worse when her diary, filled with secrets and thoughts about a hidden treasure, goes missing. With friendships on the line and secrets at risk, Halley must navigate camp challenges and find her diary before it falls into the wrong hands. Will she manage to protect her secrets and mend her friendship, or will this summer change everything?
In reading order

Halley Harper, Science Girl Extraordinaire Series

1 book · Published 2018

#2
#2 in Series
Sale price
$958

The Friendship Experiment

Chapter Book · Ages 8–12 · 2018

Can Halley save her friendship and secret diary at Camp Eureka?

Good to know

Common Questions

How many books are in the Halley Harper, Science Girl Extraordinaire series?

There is one Halley Harper, Science Girl Extraordinaire book so far: The Friendship Experiment.

What ages are the Halley Harper, Science Girl Extraordinaire books best for?

The series is best for ages 8–12, based on the age ranges of the individual books.

The people

The Creative Behind the Book

The authors and illustrators who bring Halley Harper, Science Girl Extraordinaire to life.

01

Tracy Borgmeyer

Author

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