Mike Thaler Books

A boy learns that a dentist will be visiting his school. He hears scary rumors about the dentist, but discovers there is no reason to be afraid of dentists.

School Secretary from the Black Lagoon

By Jared D. Lee, Mike Thaler

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The substitute teacher from the Black Lagoon

By Mike Thaler

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"Mrs. Green is out sick today. A substitute teacher is coming. What if he is nine feet tall, crashes through walls, and hurls students into outer space! Uh-oh!"--P. [4] of cover.

Black Lagoon Adventures Set 3

By Mike Thaler

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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.