Marthe Jocelyn Books

Mable Riley dreams of having adventures and of becoming a writer. When she travels far from home to act as assistant to her sister, a schoolmistress, Mable hopes her new world will be full of peri...

Hannah's Collections

By Marthe Jocelyn

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Hannah loves to make collections. Whether it’s new barrettes for her hair or seashells from the shore, she likes to gather things and sort them by size, shape, and color.But now she is facing...

ABC x 3 English, Espanol, Francais

By Marthe Jocelyn Illustrated By Tom Slaughter

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From airplane/avión/avion to zigzag/zigzag/zigzag, Marthe Jocelyn and Tom Slaughter have created a unique ABC for the very young. The book works perfectly in three languages, English, Spanish,...

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.