Paul Coltman Books

Witch Watch

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Tinker Jim, who lives in a chicken coop, happens upon the estate grounds of Lady and Lord Higg where, overcome by a yen for the "good life," he begins lifting food from Lady Higg's freezer and wear...

Tog the ribber, or, Granny's tale

By Paul Coltman

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A poem relating the events of a frightening evening when Granny, as a young girl, was chased by Tog the Ribber's vengeful ghost.

Witch watch

By Paul Coltman

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A boy hides, spying on an old witch and her black cat, Spitenscratch. One day she grabs him and brings him indoors to help with her chores.

Tinker Jim

By Paul Coltman

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A Momentary Stay

By Paul Coltman

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Tog the ribber

By Paul Coltman

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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.