Ana Oncina Books

Croquette Empanada
Croquette Empanada

By Ana Oncina

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Los f cking 30
Los f cking 30

By Ana Oncina Tortosa

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Croqueta y Empanadilla 2
Una Navidad con Croqueta y Empanadilla
VOLTIO 2
VOLTIO 2

By AA.VV

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Croqueta y Empanadilla 1
Croqueta y Empanadilla 1

By Ana Oncina

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VOLTIO 3
Trufa en Hollywood
Just Friends
Just Friends

By Ana Oncina

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During one summer in her teens, Erika’s mother pressured her into going to a local overnight camp. Despite her reservations, Erika ended up meeting a girl named Emi... and Emi didn't let Erika’s an...

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Croquette and Empanada
Croquette and Empanada

By Ana Oncina

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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.

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