Ellen Weiss Books

The poof point

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When Norton and Marigold Bicker's time machine backfires, their children, twelve-year-old Marie and nine-year-old Eddie, try to save them as they mentally become younger and younger. Sequel to "The...

Muppet Kids in Too Many Promises

By Ellen Weiss

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Muppet Kids in Too many promises

By Ellen Weiss

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Kermit has to make a hard decision after promising to help both Piggy and Fozzie with their school projects, leaving no time for his own.

Muppet kids in Piggy takes a dare

By Ellen Weiss

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The Tiny Parents

By Ellen Weiss

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The Maxx Steele trap

By Ellen Weiss

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On the planet Zeton, robot servants of the evil Nazgar capture robot super-hero Maxx Steele and attempt to reprogram him to betray his friends.

Things to Make and Do for Christmas

By Ellen Weiss

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The Sense of Sight (A True Book: Health and the Human Body) (Library Edition)

By Ellen Weiss

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Learn all about the body's sense of sight.A True Book: Health and the Human Body series introduces young investigative readers to the human body and what makes it work. This series includes a...

The Sense of Taste (A True Book: Health and the Human Body) (Library Edition)

By Ellen Weiss

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Learn all about the body's sense of taste.A True Book: Health and the Human Body series introduces young investigative readers to the human body and what makes it work. This series includes a...

The Sense of Sight A True Book

By Ellen Weiss

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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.