C. E. Gatchalian Books

Motifs

By C. E. Gatchalian

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Double melancholy

By C. E. Gatchalian

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"According to Didier Eribon, melancholy is where it all starts and where it also ends: the lifelong process of mourning that each homosexual experiences, and through which they construct their own...

Crossing other plays

By C. E. Gatchalian

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Crossing explores the tormented, sexually charged relationship between a mother and her teenage son, bound together by guilt and fear over a horrific incident that occurred ten years prior. Diamond...

Broken

By C. E. Gatchalian

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Motifs & repetitions & other plays

By C. E. Gatchalian

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Double Melancholy

By C.E. Gatchalian

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Magdaragat

By Patria Rivera, Teodoro Alcuitas, C. E. Gatchalian

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Magdaragat

By Patria Rivera, Teodoro Alcuitas, C. E. Gatchalian

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Falling in time

By C. E. Gatchalian

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Masks of Oscar Wilde

By C. E. Gatchalian, Shaul Ezer

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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.