Martha Sullivan Books

Around My City

By Martha Sullivan

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Pitter and Patter

By Martha Sullivan

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"The water cycle becomes a down-to-earth reality when children follow Pitter on his overland journey from cloud to ocean, and Patter on her journey from cloud to ocean by way of an underground rout...

If you love honey

By Martha Sullivan

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"Suggesting that "you love honey," this book traces honey to bees, then to dandelions, then to ladybugs that eat insect pests on dandelions, and so on, tracing a natural interactive cycle through m...

If you love honey

By Martha Sullivan

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Around My City

By Martha Sullivan

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Around My City

By Martha Sullivan

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Pitter and Patter

By Martha Sullivan

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If You Love Honey

By Martha Sullivan

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Pitter and Patter

By Cathy Morrison, Martha Sullivan

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Water Cycle Books for Kids

By Paterson John, Barbara Shaw McKinney, Michael S. Maydak, Cathy Morrison, Martha Sullivan

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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.