Tracy Bishop Books

What happens when Marion loses her class pet hamster and a mysterious letter turns up in her locker in this sixteenth book of The Critter Club series?Finally! It's Marion's turn to take care of Ted...

Marion And The Secret Letter (16) (The Critter Club)

By Callie Barkley, Tracy Bishop

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Pipsie, Nature Detective: The Disappearing Caterpillar

By Tracy Bishop, Rick DeDonato

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Amy On Park Patrol (17) (The Critter Club)

By Callie Barkley, Tracy Bishop

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Amy must come up with a plan to save a park—and all the animals living there—in the seventeenth book of the Critter Club series.When Amy learns that part of a nearby park may be destroyed and repla...

Amy Is A Little Bit Chicken

By Callie Barkley, Tracy Bishop

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Amy and her friends care for some chickens and prepare for the Santa Vista Quiz Bowl in the thirteenth book of The Critter Club series! Amy has never liked being in the spotlight. When all of her f...

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.