• The Case of the Underwater Aliens: Book 3 by Ahn, Chi-Hyeon
1 1

The Case of the Underwater Aliens: Book 3

The Case of the Underwater Aliens: Book 3

By Chi-Hyeon Ahn
Paperback
$16.99
$16.99
Sale Sold out

Strange glowing aliens have been spotted near Seagull Island! A fisherman claims he saw a mysterious underwater creature near the shore. He believes it's an extraterrestrial, so he asks the Mystery Science Detectives to take the case. It's a smart call since the after-school club can solve any mystery using the power of science! But when the mysteries begin to multiply, the team wonders if they're in over their heads this time.



Author: Chi-Hyeon Ahn
Binding Type: Paperback
Publisher: Graphic Universe (Tm)
Published: 09/09/2025
Series: Mystery Science Detectives #3
Pages: 144
Weight: 0.6lbs
Size: 7.60h x 5.80w x 0.40d
ISBN: 9798765627549
Audience: Ages 9-12

About The Author
Ahn, Chi-Hyeon: - Chi-hyeon Ahn majored in comics and animation, making a debut as a story writer for children's educational comics. Actively involved in creating works across various genres, he is renowned for innovative storytelling and entertaining content. Notable works include Layton Mystery Detective Agency; Hello, My Puberty; and Common Curiosity of the Common Sibling. He is based in South Korea.Kang, Gyung-Hyo: - Gyung-hyo Kang ventured into the world of comics in 1988 and achieved recognition at the Expo Comics Competition. Among his published works are the Treasure Hunt series, Bill Gates, Creating the Legend of the Computer, and Surviving in the Wilderness Series: Island, Amazon, Desert, and Glacier. In 2002, he was honored with the South Korean Publishing Cartoon Award for Surviving on a Glacier. He is based in South Korea.
View full details

    Mangaka Spotlight

    Discover the works of Tatsuki Fujimoto

    From Fire Punch to Look Back & everything in between, there’s more to explore than just Chainsaw Man.

    Shop Now
    height

    Mangaka Spotlight

    Junji Ito: King of Horror Manga

    Dare to dive into the macabre worlds of iconic works like Tomie, Uzumaki and so much more!

    Shop Now
    height

    Mangaka Spotlight

    The fabulous worlds of Ai Yazawa

    Fashion, drama, and rock-n-roll; Explore the cult-classic josei works by beloved icon, Ai Yazawa.

    Shop Now
    height

Shop by genre

solo star Here to help

Frequently asked questions

You’ve asked, we answered.

Visit FAQ Page

Do you offer free shipping?

We offer free shipping on all orders over $75.

As a small, growing shop, we partner with trusted distributors to ship books directly to you. This allows us to offer a much wider selection while we build toward our first physical space.

We also use tiered shipping, which means the more you add to your cart, the lower the shipping cost per book becomes. So that means, even if you’re not quite at $75 yet, it often makes sense to grab one more volume and save overall.

Why shop with you instead of big retailers?

Every order supports a small, Latina-owned manga shop built by real fans who care deeply about the stories, the art, and the culture around it.

We curate with intention, not algorithms, and we’re building something bigger than a storefront: a space for collectors, readers, and fans to connect.

What is your return policy?

Because of how we currently fulfill orders, we’re not able to accept general returns at this time.

The only exception is if your order arrives damaged or incorrect. If you experience either, please reach out to us at casitademanga@gmail.com
and we’ll be more than happy to personally help you with a damage/error return.

Can I cancel or change my order?

We move quickly to get your order on its way.

If you need to make a change, contact us as soon as possible and we’ll do our best to catch it before it ships. Once it’s on the way, we’re unable to modify the order.