Gerry Armstrong Books

The fairy thorn

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Owen O'Flaherty fiddled for the king of the fairies and his leprechauns so he could earn gold to pay for his father's farm.

Boat on the Hill

By George Armstrong, Gerry Armstrong

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That'S Ghosts For You: Cricket Presents Thirteen Scary Stories

By Susan Price, Josepha Sherman, Juanita Havill, Robert Culp, Kathleen M. Muldoon, Yongsheng Xuan, Eric A. Kimmel, Deepa Agarwal, MARION DANE BAUER, Frank O. Dodge, Marianne Carus, Nancy Etchemendy, Gerry Armstrong, Aaron Shepard, Mary Kay Morel

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This tantalizing volume collects creepy stories from around the globe, nine first published in the award-winning children's magazine Cricket, and four previously unpublished. If you dare, turn off...

The magic bagpipe

By Gerry Armstrong

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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.