The Thea sisters and the mystery at sea!

The outer archives are busy

About this book

Discovering that the turtles on Turtle Island have gone missing, the Thea Sisters spot environment-threatening drums of a strange oil and struggle to gather help before spotting a pair of turtles entering a mysterious underground cave.

Match Score

Create a free account to see Match Scores on books the community has marked — once you’ve set your preferences.

Create free account

Marks of the Realm

Marks left by readers of this tome

No community marks yet — be the first to inscribe this tome.

Pacing

—out of 5

Horror / Dark Elements

—out of 5

Romance

—out of 5

Spice Level

—out of 5

LGBTQ+ Representation

—out of 5

Social & Political Themes in Stories

—out of 5

Inscribe Your Rating

Mark this tome across each content category