Hilda Perera Books

Froggie Froggette

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Froggie Froggette tries to become a bluebird but, after several failed attempts at chirping and flying, decides that she is better off as a frog after all.

Braves petits anes

By Hilda Perera

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Huit contes amusants qui mettent en scène enfants et animaux. Les uns et les autres s'aiment, se comprennent et peuvent alors surmonter tous les dangers. Style vivant.

Un barco cargado de... cuentos

By Varios Autores, Paloma Bordons, Nuria Albo I Corrons, Fernando Pulin, Jose Antonio Del Canizo, Carlos Puerto, Enric Larreula, Antoni Dalmases, Alfredo Gomez Cerda, Roberto Santiago, Joan Armangue I Herrero, Juan Munoz Martin, Paco Sordo Artaraz, Fernando Lalana, Torcuato Luca De Tena, Andres Garcia Vilarino, Enrique Paez, Hilda Perera, Carlos Villanes Cairo, Federico Delicado Gallego, Llorenc Puig, Emili Teixidor I Viladecas, Jose Luis Olaizola, Cristina Alemparte Roc, Rocio De Teran, Lucia Baquedano, Jose Antonio Panero, Pilar Mateos, Carmen Vazquez Vigo, Braulio Llamero, Alberto Avendano Prieto, Elena O Callaghan I Duch, Fernando Almena

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Mumu

By Josep A. Vidal Gonzalbo, Hilda Perera, Luis Sanchez Robles

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Pericopin

By Ma Luisa Torcida, Hilda Perera

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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.