Judith Bauer Stamper Books

Go, Fractions!

By Judith Bauer Stamper

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The Fractions team is coached by a math teacher who helps them learn while they play to become "number one" in soccer.

All Aboard Math Reader Station Stop 3 Breakfast at Danny's Diner: A BookAbout Multiplication: A Book About Multiplication

By Judith Stamper

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Breakfast at Danny's Diner

By Judith Bauer Stamper

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Danny's twin niece and nephew help him prepare to open his diner one morning but are soon overwhelmed by the work, until they put their multiplication skills to work.

Houghton Mifflin Harcourt Math Expressions California: Homework and Remembering Blackline Masters Grade 4

By HOUGHTON MIFFLIN HARCOURT

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101 wacky computer jokes

By Judith Bauer Stamper

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101 wacky computer jokes

By Genevi Stamper, Judith Stamper, Judith Bauer Stamper

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Find this and 100 more wacky, wild computer jokes that will drive you crazy with laughter.

Histoires pour rire de peur

By Stamper Raglin

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Wake Up Scooterville

By Judith Bauer Stamper

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Dogs and Danger

By Judith Bauer Stamper

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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.