Akiko Higashimura Books

A sharp new comedy about female friendship from the creator of Princess Jellyfish!DIRTY LAUNDRYWhile just starting to rekindle an old flame with Hayasaka-san, Rinko is mortified to have their first...

Tokyo Tarareba Girls 8

By Akiko Higashimura

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A sharp new comedy about female friendship from the creator of Princess Jellyfish!THE WHAT-IF BOYAt last, Rinko's found it--the happy, comfortable relationship she's dreamt of. She and Hayasaka-san...

Princess Jellyfish Complete Manga Box Set

By Akiko Higashimura

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The complete hit manga about geek girls in Tokyo in a collector's box set with exclusive keychain and poster. Over 3,000 pages of manga!Ages 16+The complete story of Tsukimi, a girl obsessed with j...

Tokyo Tarareba Girls 9

By Akiko Higashimura

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A sharp new comedy about female friendship from the creator of Princess Jellyfish!COULD, SHOULD, DIDDuring her four-alarm search for Key, Rinko makes a decision she can't take back, and is forced t...

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.