Heather Vogel Frederick Books

Spy Mice

By Heather Vogel Frederick

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Calamity Wayne at the O.K. Corral

By Heather Vogel Frederick

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A little boy, pretending to be a cowboy, will not go to bed until he catches up to Left Foot Willy, his teddy bear.

Calamity Wayne at the O.K. Corral

By Heather Vogel Frederick

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Living up to his disastrous name, Calamity Wayne steps in the dog's water dish with his cowboy boots and then lassos a potted plant while searching for his teddy bear before bedtime.

The Voyage Of Patience Goodspeed

By Heather Vogel Frederick

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The Mother Daughter Book Club

By Heather Vogel Frederick

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Education of Patience Goodspeed

By Heather Vogel Frederick

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The voyage of Patience Goodspeed

By Heather Vogel Frederick

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Following their mother's death in Nantucket, Captain Goodspeed brings twelve-year-old Patience and six-year-old Tad aboard his whaling ship, where a new crew member incites a mutiny and Patience pu...

Much ado about Anne

By Heather Vogel Frederick

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Entering seventh grade at Walden Middle School, four girls continue their mother-daughter book club, reading Lucy Maud Montgomery's "Anne of Green Gables" while dealing with a mean, troublemaking c...

Hide and squeak

By Heather Vogel Frederick

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A mouse baby leads his father on a merry game of hide-and-squeak at bedtime.

The Mother Daughter Book Club

By Heather Vogel Frederick

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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.