Trisha Speed Shaskan Books

Quillan Hedgeson, a hedgehog, and Raymond Ratzburg, a rat, are students (and crime solvers) at Elm Tree Elementary school. When a theft occurs during a class trip to the local art museum, Q and Ray...

Meteorite or meteor wrong

By Trisha Speed Shaskan

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Q and Ray are going to see a famous meteorite at the science center. They are over the moon . . . until they realize it's a fake! The duo sets out to find out who stole the meteorite.

Foul play at Elm Tree Park

By Trisha Speed Shaskan

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Q and Ray are stepping up to the plate! Q just joined a baseball team. Ray would rather be reading. But when someone steals a famous signed baseball, they both put their skills to use. Everyone's a...

Betty and Baxter s Batter Battle

By Trisha Speed Shaskan, Jisun Lee

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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.