Jacob Berkowitz Books

Jurassic poop

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Get the inside scoop on ancient poop. Left by an animal long ago, this durable doo-doo survived the long journey through the ages. It started out stinky, but now it's frozen, dried or turned to roc...

Jurassic poop!

By Jacob Berkowitz

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Jurassic Poop

By Jacob Berkowitz

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Jurassic Poop

By Jacob Berkowitz

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Is daar iemand druk 1

By Jacob Berkowitz

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Out of this world

By Jacob Berkowitz

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Are we alone in the universe? Probably not, say most scientists.

Out of This World: The Amazing Search for an Alien Earth

By Jacob Berkowitz

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The stardust revolution

By Jacob Berkowitz

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"In 1957, as Americans obsessed over the launch of the Soviet Sputnik satellite, another less noticed space age was taking off. That year, astrophysicist Fred Hoyle and colleagues solved a centurie...

Stardust Revolution

By Jacob Berkowitz

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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.