Chen Zhiyuan Books

A Chinese English Handbook of Idioms

By Chen Zhiyuan

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Artie and Julie

By Chen Zhiyuan

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A ferocious lion goes out to hunt rabbits in the grasslands, but when he encounters one, the two animals unexpectedly become friends and enjoy the day playing together.

Guji Guji

By Chih Yuan Chen, Chen Zhiyuan

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Crocodile Guji Guji was raised by a family of ducks and things are great until one day he meets three crocodiles who tell him that he isn't a duck. When they ask Guji Guji to help them trap the duc...

Guyi Guyi

By Chen Zhiyuan

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Guyi Guyi is content with his life as a duckling, even though he doesn't look like his family, until one day when three crocodiles try to convince him that he is one of them and should deliver his...

Han Ying cheng yu shou ce

By Defu Wang

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Mei mao ji

By Chen Zhiyuan

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Guji Guji

By Chen Zhiyuan

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Crocodile Guji Guji was raised by a family of ducks. One day he met 3 crocodiles who told him that he was not a duck. They ask Guji Guji to help them trap ducks. Guji Guji then tricked the crocodil...

Guaiguai liu hua ti

By Chen Zhiyuan

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Guaiguai zuo ma tong

By Chen Zhiyuan

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Guaiguai ai bang mang

By Chen Zhiyuan

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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.