Andy Mulligan Books

Rollercoasters Trash

By Andy Mulligan

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Trash

By Andy Mulligan

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Trash

By Andy Mulligan

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In an unnamed Third World country, in the not-so-distant future, three “dumpsite boys” make a living picking through the mountains of garbage on the outskirts of a large city. One unlucky-lucky day...

The Boy with Two Heads

By Andy Mulligan

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Return to Ribblestrop

By Andy Mulligan

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"The headmaster at Ribblestrop is hoping for a bit more organization as a new term gets underway. But secrets remain buried, the new Chaplain is not all that he seems, and a truckload of circus ani...

Return to Ribblestrop Pa

By Andy Mulligan

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Trash

By Andy Mulligan

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Liquidator

By Andy Mulligan

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LIQUIDATOR! The brand-new, delicious and wildly popular energy drink. For those who wanna win! The company that makes it is set to earn a fortune, with its global launch climaxing at an internation...

Trash

By Andy Mulligan

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Trash

By Andy Mulligan

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Fourteen-year-olds Raphael and Gardo team up with a younger boy, Rat, to figure out the mysteries surrounding a bag Raphael finds during their daily life of sorting through trash in a third-world c...

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.