Daphne Skinner Books

The King of Halloweenland stumbles into Christmastown and longs to be part of the cheer, so he decides that his Halloween gang will deliver Christmas this year.

Henry Lleva La Cuenta Henry Keeps Score Math Matters En Espanol

By Daphne Skinner

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The right place for Albert

By Daphne Skinner

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On Albert's first crumb-hunting trip to the People Kitchen, his big sister Wanda helps him look for a hiding place to avoid Groucho the cat. Introduces the mathematical concept of one-to-one corres...

Albert keeps score

By Daphne Skinner

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Albert the mouse wants to make sure that his big sister Wanda never gets more of anything, so he carefully keeps score and learns a lesson about fairness.

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.