Ryukishi07 Books

Umineko WHEN THEY CRY Episode 5: End of the Golden Witch, Vol. 2 - manga

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As the storm outside darkens, the truth of Natsuhi's past comes to light--the barrenness that prevented her from producing an heir and thus earning the respect of her father-in-law and recognition...

Umineko WHEN THEY CRY Episode 6: Dawn of the Golden Witch, Vol. 1 - manga

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Battler assumes control of the sixth game, wielding his new Golden Truth as he parries the logical blows of the detective-and-witch, Erika Furudo. For Battler, what began as a contest over the exis...

Umineko WHEN THEY CRY Episode 6: Dawn of the Golden Witch, Vol. 2 - manga

By Ryukishi07

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and Shannon, Jessica and Kanon: Only one couple will be permitted to fully realize their love. To prove the strength of their feelings, each person must sacrifice the life of someone on the island....

Umineko WHEN THEY CRY Episode 6: Dawn of the Golden Witch, Vol. 3 - manga

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As detective-and-witch Erika targets all logical errors, Battler charges in head-on as their duel reaches its end. The relationships between Jouji and Shannon, Jessica and Kanon, as well as Battler...

Umineko WHEN THEY CRY Episode 3: Banquet of the Golden Witch, Vol. 2 - manga

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Determined to secure a place of respect within the Ushiromiya family, Eva stretches her wits to their limit and successfully solves Beatrice's riddle! There is more than enough gold in the family f...

Umineko WHEN THEY CRY Episode 4: Alliance of the Golden Witch, Vol. 1 - manga

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Twelve years after her loved ones were brutally murdered at the annual family meeting, Ange Ushiromiya, now eighteen, is the sole heir of the Ushiromiya family. Ostracized by her peers, Ange seeks...

Umineko WHEN THEY CRY Episode 4: Alliance of the Golden Witch, Vol. 2 - manga

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The appearance of Gretel has strengthened Battler's resolve to face off against Beatrice once again. Both players have become more skillful tacticians over the course of time, and Battler's new "bl...

Umineko WHEN THEY CRY Episode 4: Alliance of the Golden Witch, Vol. 3 - manga

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One by one, the attendants of the Ushiromiya family gathering are killed under what can only be described as supernatural circumstances. Even Kyrie, the strongest proponent of logic and reason, is...

Rose Guns Days Season 1, Vol. 4

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Umineko WHEN THEY CRY Episode 7: Requiem of the Golden Witch Vol. 1

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A closed-circle mystery from the creator of the New York Times bestselling Higurashi WHEN THEY CRY.

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.