Book Series · 3 Books

Oracle Books

In order from Oracle - Sunken Earth to Oracle.

The Oracle series is a set of 3 chapter books by C.W. Trisef, published between 2011 and 2013. Written for ages 13–17, most books run about 350 pages.

Oracle - Sunken Earth
Oracle - Fire Island
Oracle
Oracle - Sunken Earth
Oracle - Fire Island
Where the story begins

First Book in the Series

Oracle - Sunken Earth
Sale price
$1248
Book #1 · Chapter Book · 2011

Oracle - Sunken Earth

By C.W. Trisef

A young man with no past must unlock Earth's secrets to harness a legendary power.

348 pages· 73,043 words
$12.95Save 4%
Paperback
Summary: Ret Cooper, a young man with no memory and mysterious powers, survives a hurricane with a strange object—the Oracle. As he navigates high school, Ret must uncover Earth's ancient secrets and find six elemental keys to unlock the Oracle's limitless power. Can he discover his destiny and save the world?
In reading order

Oracle Series

3 books · Published 2011–2013

#1
Oracle - Sunken Earth
#1 in Series
Sale price
$1248

Oracle - Sunken Earth

Chapter Book · 2011

A young man with no past must unlock Earth's secrets to harness a legendary power.

#2
Oracle - Fire Island
#2 in Series
Sale price
$1248

Oracle - Fire Island

Chapter Book · 2012

A mysterious scar leads Ret on a quest for the second element, facing ancient secrets and new dangers.

#3
Oracle
#3 in Series
Sale price
$1695

Oracle

Chapter Book · Ages 13–17 · 2013

A third scar leads to deadly lands and ancient secrets. Can Ret survive multiplying enemies and uncover the truth?

Good to know

Common Questions

How many books are in the Oracle series?

There are 3 books in the Oracle series. It began with Oracle - Sunken Earth in 2011, and the newest book, Oracle, was published in 2013.

What order should you read the Oracle books in?

Start with Oracle - Sunken Earth and follow the series order — the books above are numbered #1 through #3.

What ages are the Oracle books best for?

The series is best for ages 13–17, based on the age ranges of the individual books.

The people

The Creative Behind the Books

The people who bring Oracle to life.

01

C.W. Trisef

Author

Keep exploring

Similar Series

Howl's Moving Castle

Howl's Castle

Ages 10–13
Throne of Glass

Throne of Glass

Ages 12–18
Skulduggery Pleasant

Skulduggery Pleasant

Ages 10–15
Renegades

Renegades

Ages 12–18
War Horse

War Horse

Ages 11–15
The House of the Scorpion

The House of the Scorpion

Ages 12–18
Graceling

Graceling Realm

Ages 12–18
The 5th Wave

The 5th Wave

Ages 12–18

Bookroo

  • About Us
  • Blog
  • FAQs
  • Help Center
  • Contact Us
  • Affiliates

Book Clubs

Book Store

Schools

Book Platform

Authors & Illustrators

Follow Bookroo

© 2026 Bookroo
Terms of ServicePrivacy Policy