Tomoko Hayakawa Books

The Wallflower 12: Yamatonadeshiko Shichihenge

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Sunako shocks her roomies by going out with some girls from school to shop for cosplay supplies for the upcoming school festival. What she didn't expect was that it would turn into a full-day event...

The Wallflower 13: Yamatonadeshiko Shichihenge

By Tomoko Hayakawa

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"Sunako just wants to remain in seclusion inside her dark room, but glam Auntie has other plans and drags her niece to a party. Upon arrival, Sunako takes refuge in an empty coffin, where she finds...

The Wallflower 15: Yamatonadeshiko Shichihenge

By Tomoko Hayakawa

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Sunako was once a typical junior high school girl until the guy she had a crush on told her she was ugly. Sunako then turned her back on the world. Now there's going to be a reunion at school--and...

The Wallflower 22 23 24

By Tomoko Hayakawa

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" It's summertime, and all Sunako wants to do is stay in the darkest depths of her room. But the guys are desperate to complete Sunako's transformation into a lady, which means a weekend at a beach...

The wallflower.

By Tomoko Hayakawa

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Still determined to turn Sunako into a lady, the guys persuade Kyohei to take Sunako out on her first date. Then, they convince Sunako to go by promising he'll take her to a pro-wrestling death mat...

The Wallflower 28

By Tomoko Hayakawa

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ALL IS FAIR IN LOVE AND CARNIVALS!   Four cute guys face their continuing challenge of trying to transform dark loner Sunako into a well-mannered young lady. Will a trip to the fair bring beau...

The Wallflower 1

By Tomoko Hayakawa

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MAKEOVER OF THE CENTURYIt’s a gorgeous, spacious mansion, and four handsome, fifteen-year-old friends are allowed to live in it for free! There’s only one condition—that within th...

The Wallflower 9

By Tomoko Hayakawa

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A MATCH MADE IN HELLFour of Japan’s hottest guys are struggling (in elegant surroundings) with the biggest challenge of their lives...transforming the geeky goth, Sunako, into a delicate lady...

The Wallflower 10

By Tomoko Hayakawa

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OUT OF THE DARKNESSPoor Kyohei is cursed...no, not by the devil or evil spirits. Not even by the dark, macabre Sunako, the girl he and his three pals have been trying to transform into a demure lad...

The Wallflower 12

By Tomoko Hayakawa

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OUT OF THE DARKNESS?Mori High’s annual school festival is fast approaching, and Sunako’s class is gearing up to perform a cosplay café. Sunako’s roomies, the four hottest g...

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.