Yoru Sumino Books

At Night, I Become a Monster (Light Novel)

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A haunting new novel by the creator of I Want to Eat Your Pancreas. Every night, Adachi transforms into a nightmarish creature—and every morning, he reverts to human form. When he encounters...

I Had That Same Dream Again (Light Novel)

By Yoru Sumino

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A layered coming-of-age story from the author of I Want to Eat Your Pancreas and At Night, I Become a Monster. (And don't miss the manga adaptation, also available from Seven Seas.) An unhappy gir...

I Want to Eat Your Pancreas (Light Novel)

By Yoru Sumino Illustrated By Loundraw

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Also known as Let Me Eat Your Pancreas, the coming-of-age tearjerker that inspired two films! A high school boy finds the diary of his classmate—only to discover that she’s dying. Yama...

Junno cui zangwotabetai shuang ye wen ku

By Zhu Yeyoru

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I Will Forget This Feeling Someday (Light Novel)

By Yoru Sumino

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Two parallel dimensions and brief meetings in the dead of night give rise to a passionate love story from the bestselling author of I Want to Eat Your Pancreas.Suzuki Kaya lives an everyday, ordina...

I am Blue, in Pain, and Fragile (Light Novel)

By Yoru Sumino

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This heart-wrenching drama about two university students and their growing disillusionment--from Yoru Sumino, the author of I Want to Eat Your Pancreas and the Eisner-nominated I Had That Same...

I Want to Eat Your Pancreas: The Complete Manga Collection

By Yoru Sumino Illustrated By Idumi Kirihara

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Also known as Let Me Eat Your Pancreas, the manga version of the coming-of-age novel that inspired two films! In this deeply moving first-person story, an introverted high school boy finds his cl...

I Had That Same Dream Again: The Complete Manga Collection

By Yoru Sumino Illustrated By Idumi Kirihara

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A layered coming-of-age story from the author of I Want to Eat Your Pancreas and At Night, I Become a Monster. And don’t miss the original novel, also from Seven Seas! An unhappy girl who en...

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.