K. H. McMullan Books

Class trip to the Cave of Doom

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Wiglaf joins the other students of Dragon Slayers' Academy in searching the Dark Forest for the Cave of Doom, which supposedly contains the gold of the dead dragon Seetha.

The new kid at school

By Kate McMullan

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Wiglaf is off to Dragon Slayers' Academy and in for a first day of school he will never forget.

Revenge of the dragon lady

By Kate McMullan

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After accidentally killing a dragon, Wiglaf hopes his friends at Dragon Slayers' Academy will be able to help him prove himself a hero when he faces that dragon's mother, Seetha, the Beast of the E...

Class Trip to the Cave of Doom

By Kate McMullan

Average: 0.00, 0 Ratings

Wiglaf joins the other students of Dragon Slayers' Academy in searching the Dark Forest for the Cave of Doom, which supposedly contains the gold of the dead dragon Seetha.

A Wedding for Wiglaf?

By Kate McMullan

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When the headmaster of the Dragon Slayers' Academy hears that Princess Belcheena will pay the matchmaker who finds her a husband, he decides that Wiglaf is the perfect candidate.

The new kid at school

By Kate McMullan

Average: 0.00, 0 Ratings

Wiglaf is off to Dragon Slayers' Academy and in for a first day of school he will never forget.

Revenge of the dragon lady

By Kate McMullan

Average: 0.00, 0 Ratings

Dragon Slayers' Academy 3: Field Trip to the Castle of Doom

By K. H. McMullan

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A Wedding for Wiglaf?

By Kate McMullan

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When the headmaster of the Dragon Slayers' Academy hears that Princess Belcheena will pay the matchmaker who finds her a husband, he decides that Wiglaf is the perfect candidate.

Dragon Slayers' Academy 5: Knight for a Day

By K. H. McMullan

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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.