Book Series · 3 Books

Spineless Books

In order from Spineless to Harmless.

The Spineless series is a set of 3 chapter books by Samantha San Miguel, published between 2022 and 2025. Written for ages 8–12, most books run about 300 pages.

Spineless
Fathomless
Harmless
Spineless
Fathomless
Where the story begins

First Book in the Series

Spineless
Sale price
$1597
Book #1 · Chapter Book · Ages 8–12 · 2022

Spineless

By Samantha San Miguel

A boy discovers a new species and must protect it from a collector and a mysterious curse.

256 pages· 47,392 words· Est. 6.5 hour read
$16.99Save 6%
Hardcover
Summary: Twelve-year-old Algie Emsworth, at a health resort in Gilded Age Florida, stumbles upon a new species in the swamps. With a collector of exotic animals nearby and a strange curse causing chaos, Algie must unravel the mystery to save the creatures and the hotel. Can he protect his discovery from danger and uncover the truth behind the eerie events?
The complete set

Spineless Series

3 books · Published 2022–2025

Spineless
Series
Sale price
$1597

Spineless

Chapter Book · Ages 8–12 · 2022

A boy discovers a new species and must protect it from a collector and a mysterious curse.

Fathomless
Series
Sale price
$1697

Fathomless

Chapter Book · Ages 8–12 · 2024

A haunted fort, hidden treasure, and a mystery closer to home than expected.

Harmless
Series
Sale price
$1697

Harmless

Chapter Book · Ages 8–12 · 2025

A river monster, a mysterious corpse, and a rescue mission test friendships and courage.

Good to know

Common Questions

How many books are in the Spineless series?

There are 3 books in the Spineless series. It began with Spineless in 2022, and the newest book, Harmless, was published in 2025.

What ages are the Spineless 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 Books

The authors and illustrators who bring Spineless to life.

01

Samantha San Miguel

Author

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