Dan Greenburg Books

My Son the Time Traveller Zack Files

By Dan Greenburg

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Bozo the Clown

By Dan Greenburg

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How to avoid love and marriage (first r backwards)

By Dan Greenburg

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Weird Planet 2: Lost in Las Vegas

By Dan Greenburg

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Weird Planet Chilling with the Great Ones 3

By Dan Greenburg

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When siblings Klatu, Lek, and Ploo from the planet Loogl return to the mysterious Area 51 to recover their wrecked spaceship, they meet the Great Ones--four legendary Looglings who crashed in Roswe...

Weird Planet 4

By Dan Greenburg

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Claws

By Dan Greenburg

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Fourteen-year-old Cody trades one dangerous situation for another when he runs away from his abusive mother and takes a job caring for lions and tigers on a Texas ranch where one of the owners has...

Claws

By Dan Greenburg

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Weird Planet 6

By Dan Greenburg

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While visiting Dizzyland near Los Angeles, Klatu, Lek, and Ploo, the three alien siblings from the planet Loogl, find a fuzzy little alien named Mu in the sideshow zoo of the amusement park and dec...

Lost in Las Vegas

By Dan Greenburg

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After crashing their spaceship in the Nevada desert, Klatu, Lek, and their sister Ploo go to Las Vegas in search of the one mechanic who can fix it.

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.