Nancy Blumenthal Books

Count-a-Saurus

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Depicts numbered groups of dinosaurs and other prehistoric creatures, from one Stegosaurus standing in the sun to ten Hadrosaurids sporting funny hats. Additional text in the back provides more inf...

Count-a-saurus.

By Nancy Blumenthal

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Two Crows Counting

By Doris Orgel

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Two crows, one big and one small, count things they see from one to ten and then back down again.

How much is a million

By David M. Schwartz

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Text and pictures try to make possible the conceptualization of a million, a billion, and a trillion.

Count a saurus

By Nancy Blumenthal

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Count-A-Saurus

By Nancy Blumenthal

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Diez perros en la tienda

By Claire Masurel

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After ten dogs are placed in a display window for the whole wide world to see, one by one their numbers diminish until the last canine departs with its new owner.

Count-a-saurus.

By Nancy Blumenthal

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The M and M s Brand Counting Book

By Barbara Barbieri McGrath

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The M&M's brand counting book

By Barbara Barbieri McGrath

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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.