Book Series · 4 Books

Who Let the Gods Out? Books

In order from Who Let the Gods Out? to Against All Gods.

Elliot Hooper accidentally releases a death daemon and recruits a chaotic group of Greek gods in four funny, heartfelt adventures about saving his family and the world.

Reviewed by the Bookroo Editors Updated August 13, 2026

Reading order

How to Read Who Let the Gods Out?

Read Who Let the Gods Out?, Simply the Quest, Beyond the Odyssey, and Against All Gods in numbered order. Elliot's family crisis, the gods' mistakes, and the fight against Thanatos build directly toward the fourth-book finale.

Oh Maya Gods! is a separate Maz Evans series based on Maya mythology, not a fifth Elliot Hooper adventure.

Sources: Chicken House's official Maz Evans series guide, Chicken House's finale page.

For parents

What Parents Should Know

The mythology and toilet humor are lively, but Elliot's home life carries real weight. His mother has worsening dementia-like memory loss, he takes on significant caregiving responsibility, and the story makes room for fear, anticipatory grief, and loss.

Fantasy action includes death daemons, monsters, battles, weapons, dangerous quests, injuries, and threats to Elliot and the world. The books remain warm and comic, with friendship and asking adults for help becoming increasingly important.

Where the story begins

First Book in the Series

Book #1 · Chapter Book · 2017

Who Let the Gods Out?

By Maz Evans

A fallen star and a boy unleash a deadly daemon. Can ancient gods help?

368 pages

ebook

Summary: Elliot's world is turned upside down when a shooting star crashes to Earth, revealing Virgo, a Zodiac goddess on a mission. Together, they accidentally release the death daemon Thanatos. Desperate for help, they seek out the old Olympian gods. But after centuries of retirement, are Zeus and his crew ready to face this new threat? As chaos looms, Elliot and Virgo must navigate a world where ancient powers and modern challenges collide. Can they restore balance before it's too late?

In reading order

Who Let the Gods Out? Series

4 books · Published 2017–2019

#1 in Series

Who Let the Gods Out?

Chapter Book · 2017

A fallen star and a boy unleash a deadly daemon. Can ancient gods help?

#2 in Series

Simply the Quest

Chapter Book · 2017

Chaos erupts as Greek immortals invade a boy's life, threatening everything.

#3 in Series

Beyond the Odyssey

Chapter Book · 2018

Elliot must choose: save his mom or the world.

#4 in Series

Against All Gods

Chapter Book · 2019

A mortal boy and misfit gods battle daemon hordes to save mankind.

Good to know

Common Questions

How many books are in the Who Let the Gods Out? series?

There are 4 books in the Who Let the Gods Out? series. It began with Who Let the Gods Out? in 2017, and the newest book, Against All Gods, was published in 2019.