Diane Degroat Books

Brand-new pencils, brand-new books

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Gilbert's excitement over starting first grade turns to worry that the teacher will be mean, the work too hard, and his classmates too unfriendly, but throughout the day there are pleasant surprises.

No More Pencils, No More Books, No More Teacher's Dirty Looks!

By Diane De Groat

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Gilbert and his first-grade classmates are nervous about their performance on the last day of school, curious about the awards they will receive, sad to be leaving their teacher, and excited about...

Last One in Is a Rotten Egg!

By Diane Degroat

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Last One in Is a Rotten Egg Gilbert and Friends

By Diane Degroat

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Mother You re the Best But Sister You re a Pest

By Diane De Groat, Diane Degroat

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Gilbert wants to do something special for his mother on Mother's Day, but first he must stop his sister, Lola, from being the center of attention.

Liar Liar Pants on Fire

By Diane DeGroat

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Liar Liar Pants on Fire

By Diane DeGroat

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All About Sam

By Diane Degroat, Lois Lowry

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Trick or Treat Smell My Feet

By Diane Degroat

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Annie Pitts Burger Kid

By Diane Degroat

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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.