Virginia Holt Books

A young boy finds a cure for his boredom when furry creatures called the Popples appear. Fold-out pages reveal an increasing number of Popples and introduce the principles of simple addition.

Jim Henson presents Baby Kermit and the dinosaur

By Muppet Babies Henson, Virginia Holt

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In Baby Kermit's daydream, the dinosaur in his book comes to life, scaring the townspeople who don't realize how cute and lovable she is.

HH-CHRISTMAS KITTEN

By Virginia Holt, Happy House

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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.