Mary Lundquist Books

Cat Bunny

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Best friends Bunny and Cat have always enjoyed playing alone together, so when others ask to join their favorite game Cat wants to say no, while Bunny is happy to have everyone play.

Little Forest Keepers

By Mary Lundquist

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You Know How to Love

By Mary Lundquist, Rachel Tawil Kenyon

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Mission

By Mary Lundquist

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Amazing Idea of You

By Mary Lundquist, Charlotte Sullivan Wild

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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.