Michael Ulmer Books

Each letter of the alphabet is represented by a name or word derived from some aspect of the country of Canada, and each term is presented in a rhyme and then further explained in a note.

The gift of the Inuksuk

By Michael Ulmer

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Many lives ago, a young girl in what would become the Nunavut territory of Canada builds stone men, called Inuksuk, to direct her father and brother home when they are lost in a storm while hunting...

J is for jump shot

By Michael Ulmer

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"From A to Z basketball's history, famous players, and the game's basics such as dribble, pass, and zone are explained using simple rhymes for each letter topic and expository text filled with deta...

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.