Aaron Blecha Books

Goodnight Grizzle Grump

By Aaron Blecha

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A grizzly bear searches for the perfect place to hibernate.

Good morning Grizzle Grump

By Aaron Blecha

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Winter is over! Spring has sprung! Grizzle Grump has just woken up from his long winter slumber. His big bear belly is quite rumbly. So he sets off with his trusty squirrel sidekick in search of a...

Our Principal Is a Frog

By Aaron Blecha, Stephanie Calmenson

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Our Principal Is a Wolf

By Aaron Blecha, Stephanie Calmenson

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Our Principal s Wacky Wishes

By Aaron Blecha, Stephanie Calmenson

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Attack of the Tighty Whities

By Nancy E. Krulik, Aaron Blecha

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Stench of Goodness

By Aaron Blecha, Allan Woodrow

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Law and Odor

By Doug Paleo, Aaron Blecha

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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.