Dirk Zimmer Books

Trick-Or-Treat Trap

By Dirk Zimmer

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Three trick-or-treaters find themselves at the mercy of evil demons, dangling skeletons, and flying pumpkins.

John Tabor's ride

By Edward C. Day

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John Tabor complains about everything on his first whaling voyage until he meets a strange old man who takes him on an extraordinary journey.

The great turtle drive

By Steve Sanfield

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When he sees how much a bowl of turtle soup costs, a cowboy comes up with an unusual plan to earn a fortune.

Perrywinkle and the book of magic spells

By Ross Martin Madsen

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A seven-year-old boy, with the help of his talking crow, learns to be a wizard like his father.

Perrywinkle and the book of magic spells

By Ross Martin Madsen

Average: 0.00, 0 Ratings

A seven-year-old boy, with the help of his talking crow, learns to be a wizard like his father.

Perrywinkle and the book of magic spells

By Ross Martin Madsen

Average: 0.00, 0 Ratings

A seven-year-old boy, with the help of his talking crow, learns to be a wizard like his father.

In a Dark Dark Room and Other Scary Stories

By Alvin Schwartz, Dirk Zimmer

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Felix in the attic

By Larry Bograd

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An ingenious boy is shut in the attic and makes it livable for himself.

Jacques Le Jardinier

By E. S. Aardvark

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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.