Gretchen Mayo Books

Here Comes Tricky Rabbit

By Gretchen Will Mayo

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The secret life of Hubie Hartzel

By Susan Rowan Masters

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Eleven-year-old Hubie Hartzel tries to cope with his many problems including a sick cat, a crush on his art teacher, the loss of his best friend to a girl, and the threat of the class bully who is...

Star tales

By Gretchen Mayo

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A collection of Indian legends about the stars, moon, and nighttime sky.

Star tales

By Gretchen Mayo

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A collection of Indian legends about the stars, moon, and nighttime sky.

Earthmaker's tales

By Gretchen Mayo

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A collection of North American Indian legends about the origins of thunder, tornados, and other weather phenomena.

Earthmaker's tales

By Gretchen Mayo

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A collection of North American Indian legends about the origins of thunder, tornados, and other weather phenomena.

North American Indian stories

By Gretchen Mayo, Gretchen Will Mayo

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A collection of Indian legends about earthquakes, snow, fog, and other nautral phenomena.

Star tales

By Gretchen Mayo

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A collection of Indian legends about the stars, moon, and nighttime sky.

More star tales

By Gretchen Mayo

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A collection of Indian legends about the stars, moon, and nighttime sky.

That tricky Coyote!

By Gretchen Mayo

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A collection of legends about the cunning trickster Coyote, taken from a variety of Native American sources.

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.