Lisa Katzenberger Books

National Regular Average Ordinary Day

By Barbara Bakos, Lisa Katzenberger

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Croc & Gator 1: Swamp Ranger School

By Lisa Katzenberger Illustrated By Mike Ciccotello

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Follow no-nonsense Croc and goofball Gator as they become junior rangers in their hometown swamp!Printed entirely in green ink, these fun STEM-filled books are perfect for InvestiGators fans.Croc a...

I Can Do It Even If I m Scared

By Hannah George, Lisa Katzenberger

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Love Letter to My Library

By Lisa Katzenberger, Sayegh Rob Jr.

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Scared Silly

By Lisa Katzenberger, Jaclyn Sinquett

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National Regular Average Ordinary Day

By Lisa Katzenberger Illustrated By Barbara Bakos

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Even the regular, average, ordinary days can be celebrated with this charming picture book!Peter does not like being bored, so he comes up with a way to have some festive fun--he'll celebrate a dif...

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.