Mary Sullivan Books

A cowboy's plan

By Mary Sullivan

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Stay

By Mary Sullivan

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"It is the summer of 1974, and eleven-year-old Emily Stone is silently narrating the story of the death of her twin brother, Ham, and the tumultuous unrest it has caused her family. Beneath her fat...

Literacy place grade 4 assessment resource

By Mary Sullivan

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Literacy place grade 5 assessment resource

By Mary Sullivan

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Literacy place grade 6 assessment resource

By Mary Sullivan

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Sinner Hath Cried

By Mary Sullivan

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Dear Blue Sky

By Mary Sullivan

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A timely, eye-opening novel showing how war affects families on both sides Ever since her brother Sef left for Iraq, Cassie has felt like her life is falling apart. Her parents are fighting over he...

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.