Michelle Knudsen Books

Revenge of the Evil Librarian

By Michelle Knudsen

Average: 0.00, 0 Ratings

Curse of the Evil Librarian

By Michelle Knudsen

Average: 0.00, 0 Ratings

Will it finally be curtains for the demonic Mr. Gabriel in this climactic chapter of the Evil Librarian series?After sending the evil librarian, Mr. Gabriel, back to the demon world once and for al...

The Dragon of Trelian

By Michelle Knudsen

Average: 0.00, 0 Ratings

Part of Michelle Knudsen’s exciting fantasy trilogy — in a luminous paperback editionCalen, a lonely young mage-to-be, never dreamed that Princess Meglynne would become his friend. And...

Evil Librarian

By Michelle Knudsen

Average: 0.00, 0 Ratings

The Dragon of Trelian

By Michelle Knudsen

Average: 0.00, 0 Ratings

A feisty princess befriends a mage’s apprentice—and finds she’s uncannily linked to a dragon—in a suspenseful fantasy charged with warmth and wit.Calen, a lonely young mage-...

Big Mean Mike

By Michelle Knudsen

Average: 0.00, 0 Ratings

Mike is proud to be the biggest, toughest dog in the neighborhood, so when tiny, fuzzy bunnies start showing up in his big, mean car he sees them only as a threat to his reputation, no matter how a...

The Princess of Trelian

By Michelle Knudsen

Average: 0.00, 0 Ratings

Michelle Knudsen revisits Trelian in a thrilling follow-up fantasy about a princess with an uncanny link to a dragon and a uniquely talented young mage.The hundred-year war with Kragnir is over, an...

Mage of Trelian

By Michelle Knudsen

Average: 0.00, 0 Ratings

Dragon of Trelian

By Michelle Knudsen

Average: 0.00, 0 Ratings

Evil Librarian

By Michelle Knudsen

Average: 0.00, 0 Ratings

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.