Michael Koelsch Books

Farm Team

Average: 0.00, 0 Ratings

With his father in jail and his mother working full-time, fourteen-year-old Billy Baggs finds himself in charge of running the family farm in northern Minnesota and having to give up the thing he l...

Hard Ball

By Michael Koelsch, Will Weaver

Average: 0.00, 0 Ratings

Mighty Monday madness

By Doug Tennapel, Douglas TenNapel

Average: 0.00, 0 Ratings

Weird things happen in Mrs. Frightenright's class on Monday mornings! How about werewolves, talking spiders, man-eating aliens, and a pig that plays backgammon?

Wisenheimer Wednesday Strange Kid Chronicles

By Doug Tennapel

Average: 0.00, 0 Ratings

Just Thursday

By Doug Tennapel, Douglas TenNapel

Average: 0.00, 0 Ratings

Weird things happen in Mrs. Frightenright's class on Thursday morning! However, that nasty principal Prickly-Pear is up to something, and you can bet that something is not a good thing.

A Brush with Magic

By Michael Koelsch, William J. Brooke

Average: 0.00, 0 Ratings

Dolphin Luck

By Michael Koelsch, Hilary McKay

Average: 0.00, 0 Ratings

Der Prinz von Agypten

By Annemarie Bruhns, Michael Koelsch, Jane Yolen

Average: 0.00, 0 Ratings

Wild Ride

By Michael Koelsch, Matt Christopher

Average: 0.00, 0 Ratings

Extreme Team

By Michael Koelsch, Matt Christopher

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.