Ikunichawder Books

PENGUINDRUM (Manga) Vol. 2

By Ikunichawder, Kunihiko Ikuhara, Isuzu Shibata, Lily Hoshino, Lora Gray, Beni Axia Conrad, Ikunichawder; Illustrated By Isuzu Shibata; Character Designs By Lily Hoshino, Jennifer Skarupa

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The supernatural drama based on the anime by acclaimed director Kunihiko Ikuhara ( Sailor Moon, Revolutionary Girl Utena, Sarazanmai ). And dont miss the novels, also from Seven Seas! When high...

PENGUINDRUM (Manga) Vol. 4

By Ikunichawder, Kunihiko Ikuhara, Isuzu Shibata, Lily Hoshino, Lora Gray, Beni Axia Conrad, Ikunichawder; Illustrated By Isuzu Shibata; Character Designs By Lily Hoshino, Jennifer Skarupa

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The supernatural drama based on the anime by acclaimed director Kunihiko Ikuhara ( Sailor Moon, Revolutionary Girl Utena, Sarazanmai ). And dont miss the novels, also from Seven Seas! When high...

PENGUINDRUM (Manga) Vol. 1

By Ikunichawder, Kunihiko Ikuhara, Isuzu Shibata, Lily Hoshino, Lora Gray, Beni Axia Conrad, Ikunichawder; Illustrated By Isuzu Shibata; Character Designs By Lily Hoshino, Jennifer Skarupa

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The supernatural drama based on the anime by acclaimed director Kunihiko Ikuhara ( Sailor Moon, Revolutionary Girl Utena, Sarazanmai ). And dont miss the novels, also from Seven Seas! When high...

PENGUINDRUM (Manga) Vol. 3

By Ikunichawder, Kunihiko Ikuhara, Isuzu Shibata, Lily Hoshino, Ikunichawder; Illustrated By Isuzu Shibata; Character Designs By Lily Hoshino

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FIGHT FOR SURVIVAL! Kanba and Shoma are staying super busy as they fight to keep Himari alive! Kanba faces danger head on, all so he can pay for medicine from the mysterious Doctor Sanetoshi. Mean...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.