Michael J. Pellowski Books

Mixed-up magic

By Michael J. Pellowski

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Waldo the wizard discovers some wacky changes in his powers after his clumsy assistant drops Waldo's magic wand.

Ghost in the library

By Michael J. Pellowski

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Melanie is convinced that Morganville is a dull place until ghostly happenings in the library reveal the town's interesting past.

Ghost in the library

By Michael J. Pellowski

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Melanie is convinced that Morganville is a dull place until ghostly happenings in the library reveal the town's interesting past.

Professor Possum's great adventure

By Michael J. Pellowski

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Professor Possum, adventurer and master butterfly collector, mounts an expedition to capture the rare species known as regal patriarch and finds danger on a jungle island.

Professor Possum's great adventure

By Michael J. Pellowski

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Professor Possum, adventurer and master butterfly collector, mounts an expedition to capture the rare species known as regal patriarch and finds danger on a jungle island.

102 cat and dog jokes

By Pellowski, Michael J. Pellowski

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A collection of riddles about cats and dogs, including "What kind of dog is good with tools? A Wrench Poodle."

The duck who loved puddles

By Michael J. Pellowski

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A little duck looks everywhere on the farm for a wet place to splash, but all the water seems to be intended for someone else.

Teddy on time

By Michael J. Pellowski

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Even though his alarm clock didn't awaken him on time, Teddy Bear determines not to be late for his special friend's party.

Teddy on time

By Michael J. Pellowski

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Even though his alarm clock didn't awaken him on time, Teddy Bear determines not to be late for his special friend's party.

Maxwell finds a friend

By Michael J. Pellowski

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Maxwell, a mynah bird who loves to talk, searches among different animals for a special friend with whom to share his house.

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.