Jamie Michalak Books

Joe and Sparky Go to School

By Jamie Michalak Illustrated By Frank Remkiewicz

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“A humorous, high-interest package . . . a hit.” — The Horn Book (starred review)The endearing and mismatched pals Sparky the turtle and Joe the giraffe accidentally lat...

FETCH with Ruff Ruffman

By WGBH, Candlewick Press

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Fizzy's Lunch Lab: Escape from Greasy World

By Jamie Michalak Illustrated By Lunch Lab LLC.

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Now that Fast Food Freddy has Professor Fizzy in his clutches, can the Lunch Lab kids rescue him from Greasy World?Oh, no! Henry and Avril have just discovered that Professor Fizzy is missing from...

Judy Moody and the Not Bummer Summer

By Megan McDonald

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Judy Moodys Thrilladelic Hunt For Bigfoot

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Show s Over

By Jamie Michalak

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Joe and Sparky Go to School

By Jamie Michalak

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Escape from Greasy World

By Jamie Michalak

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Doggie Duties

By Jamie Michalak

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Frank and Bean

By Jamie Michalak

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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.