David Biedrzycki Books

Underwater Counting

By David Biedrzycki, Jerry Pallotta

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Breaking News

By David Biedrzycki

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Groundhog s Runaway Shadow

By David Biedrzycki

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Ace Lacewing, Bug Detective

By David Biedrzycki

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Aided by his friends, Ace Lacewing, Bug Detective, sets out on the trail of kidnappers who took Queenie Bee.

Me and My Dragon

By David Biedrzycki Author Illustrator

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Who wouldn't want a pet dragon? See what raising a friendly dragon might look like in this hilarious read aloud about a boy and his pet. While dragons may not be the most traditional of pets w...

Mi dragon y yo

By David Biedrzycki Author Illustrator

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New in Spanish, a sweet and hilarious story for the youngster whose heart is set on a new pet. A dragon might not be the most conventional pet, but this boy is determined. He argues his case t...

Me and My Dragon: Christmas Spirit

By David Biedrzycki Author Illustrator

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Christmas is coming, and our young hero wants to buy his best friend, Dragon, the perfect present. He and Dragon take job after hilarious job, earning enough to buy a deluxe Knight Boy action set&m...

Breaking News: Bears to the Rescue

By David Biedrzycki Author Illustrator

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A missing cub, a carnival, and a gang of cat burglars… Hold on to your hats!   Best-selling author David Biedrzycki brings back the hilarious bears from Breaking News: Bear Alert, but...

Breaking News: Bear Alert

By David Biedrzycki Author Illustrator

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We interrupt your day for this breaking news. . .Two bears awaken from hibernation and go to town—literally. During their visit, they eat at a diner, dress up at a department store, and stop...

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.