Book Series · 2 Books

Explorer Academy Vela Books

In order from The Sailor Cipher to Explorer Academy: The Unbreakable Bond. Part of Explorer Academy.

The Explorer Academy Vela series is a set of 2 chapter books by Trudi Trueit, published between 2024 and 2025. Written for ages 8–12, most books run about 220 pages.

About the series

What's Explorer Academy Vela About?

A two-book companion continuation starring Sailor York and the Vela Squad as they investigate a dangerous wildlife-trafficking ring.

Where the story begins

First Book in the Series

Sale price

$1049

Book #1 · Chapter Book · Ages 8–12 · 2024

The Sailor Cipher

By Trudi Trueit, Khadijah Khatib (Illustrator)

A sister's disappearance leads to a dangerous animal-smuggling mystery.

208 pages

$10.99Save 5%

Paperback

Summary: Sailor York's world is upended when her sister vanishes, possibly linked to a sinister animal-trafficking ring. As she navigates thrilling expeditions and competitive classes at Explorer Academy, Sailor must lead her friends through complex clues aboard the ship Vela. With the prestigious North Star Award in hand but self-doubt lingering, Sailor faces a choice: reveal her own secret to save her sister. Will she embrace her destiny or risk everything for family?

In reading order

Explorer Academy Vela Series

2 books · Published 2024–2025

#1 in Series

Sale price

$1049

The Sailor Cipher

Chapter Book · Ages 8–12 · 2024

A sister's disappearance leads to a dangerous animal-smuggling mystery.

Series

Sale price

$1049

Explorer Academy: The Unbreakable Bond

Chapter Book · Ages 8–12 · 2025

A race against time to save her sister and stop a deadly wildlife-trafficking ring.

Good to know

Common Questions

How many books are in the Explorer Academy Vela series?

There are 2 books in the Explorer Academy Vela series. It began with The Sailor Cipher in 2024, and the newest book, Explorer Academy: The Unbreakable Bond, was published in 2025.