Mark Weakland Books

Adventures in Science
LOL Physical Science
Las burbujas flotan las burbujas explotan
Las burbujas flotan las burbujas explotan

By Mark Weakland

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"Simple text and photographs explain the basic science behind bubbles--in both English and Spanish"--Provided by publisher.

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Los engranajes trabajan las ruedas ruedan
Los engranajes trabajan las ruedas ruedan

By Mark Weakland

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"Simple text and photographs explain the basic science behind wheels and gears--in both English and Spanish"--Provided by publisher.

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Los imanes atraen los imanes repelen
Los imanes atraen los imanes repelen

By Mark Weakland

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"Simple text and photographs explain the basic science behind magnets--in both English and Spanish"--Provided by publisher.

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Las semillas se plantan las semillas crecen
Las semillas se plantan las semillas crecen

By Mark Weakland

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"Simple text and photographs explain the basic science behind seeds--in both English and Spanish"--Provided by publisher.

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Comienza la Ciencia
Comienza la Ciencia

By Mark Weakland

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The solid truth about matter
The solid truth about matter

By Mark Weakland

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"Describes what matter is and how it works through humor and core science content"--Provided by publisher.

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Solid Truth about Matter
LOL Physical Science

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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.

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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.

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