Ellen Vandenberg Books

Star Power 2

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Mission to Mars 4

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Journey to the Moon 1

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Can Astronaut Girl save the day with a little help from science? Find out as she and her space crew make their debut in this chapter book series!Val, aka Astronaut Girl, is just your typical eight-...

Journey to the Moon 1

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Star Power 2

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Can Astronaut Girl save the day with a little help from science? Find out as she and her space crew blast off on new adventures in this chapter book series!Everyone knows that humans can't travel t...

Silver and Gold 3

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Can Astronaut Girl save the day with a little help from science? Find out as she and her space crew blast off on new adventures in this chapter book series!Val and Wallace aren't looking forward to...

Silver and Gold 3

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Mission to Mars 4

By Gillian Reid, Cathy Hapka, Ellen Vandenberg

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Can Astronaut Girl save the day with a little help from science? Find out as she and her space crew blast off on new adventures in this chapter book series!When Val's teacher gives her class a scie...

How not to run for class president

By Cathy Hapka

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Looking for a fun, light introduction to the campaign process? Join the brothers from the How Not to . . . series as they navigate a class election! Third grader Will couldn t care less about borin...

How not to run for class president

By Cathy Hapka

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"Third-grader Will's little brother Steve enthusiastically manages Will's campaign for class president, despite Will's total lack of interest in running"--

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.