Robie H. Harris Books

What's So Yummy?

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Acclaimed New York Times best-selling author Robie H. Harris introduces preschoolers to the pleasures of eating healthy, being active, and feeling good.Gus, Nellie, and baby Jake can’t wait t...

CRASH! BOOM! A Math Tale

By Robie H. Harris Illustrated By Chris Chatterton

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How do these blocks stack up? Gentle math concepts go down easy in this fun and accessible story for very young children by the esteemed Robie H. Harris.Elephant has a bucket of blocks and wants to...

It s Not the Stork

By Robie H. Harris

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Maybe a Bear Ate It

By Robie H. Harris

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Maybe a Bear Ate It a StoryPlay Book

By Robie H. Harris, Michael Emberley

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1 volume (unpaged) : 21 cm

Maybe a Bear Ate It StoryPlay

By Robie H. Harris, Michael Emberley

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Let s Talk about Sex

By Robie H. Harris, Michael Emberley

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Who Has What

By Nadine Bernard Westcott, Robie H. Harris

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Whos In My Family All About Our Families

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Let s Talk about Where Babies Come From

By Robie H. Harris, Michael Emberley

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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.