David Biedrzycki Books

Breaking News: Bear Alert

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This just in: Breaking News: Bear Alert, told as a breaking TV news report is now in paperback!Two bears awaken from hibernation and go to town—literally. During their visit, they eat at...

Groundhog's Runaway Shadow

By David Biedrzycki Author Illustrator

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Where does the groundhog's shadow go?Phil and his shadow do everything together. But where Phil is steady, predictable, and a little boring, Shadow is adventurous, freewheeling—even a bit rud...

Breaking News: Alien Alert

By David Biedrzycki Author Illustrator

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Bears in space! The bears from Breaking News: Bear Alert and Bears to the Rescue are back, and this time they're extraterrestrial.When a UFO beams up Baby Bear and abducts the family, the human wor...

Breaking news

By David Biedrzycki

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In this story (told in the form of a television broadcast), bears emerge from hibernation demanding to be fed.

Ace Lacewing Bug Detective

By David Biedrzycki

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Santa s new jet

By David Biedrzycki

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Shortly before Christmas, Santa discovers that the sleigh needs major repairs and the reindeer are out of shape, and so the elves build him a jet to use on his annual trip.

Mi Dragon Y Yo

By David Biedrzycki

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Groundhog s runaway shadow

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Breaking News

By David Biedrzycki

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Breaking News Bears to the Rescue

By David Biedrzycki

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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.