Marta Lindsey Books

Little Gray's great migration

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"Little Gray loved his lagoon and the humans who came to visit him there. One day, Mama announces that they must swim north to a far-away sea. At first he is sad to leave his home, but Little Gray...

Grandes Migraciones de la Ballena Gris

By Marta Lindsey

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Golden Gate Park an a to Z Adventure

By Michael Wertz, Marta Lindsey

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ABCs of Golden Gate Park

By Michael Wertz, Marta Lindsey

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Little Gray s Great Migration

By Marta Lindsey, Andrea Gabriel

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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.