Heather Vogel Frederick Books

Spy Mice

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...

Absolutely Truly

By Heather Vogel Frederick

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"Twelve-year-old Truly Lovejoy's family moves to a small town to take over a bookstore. Soon, she has to solve two mysteries involving a missing book and an undelivered letter"-- Twelve-year-old T...

Dear Pen Pal

By Heather Vogel Frederick

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Once upon a toad

By Heather Vogel Frederick

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When her mother goes on a NASA mission, Cat Starr is sent to live with her father, stepsister Olivia, and younger brother Geoffrey, but interference by her inept fairy godmother causes toads to app...

Mother-Daughter Book Camp

By Heather Vogel Frederick

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Yours Truly

By Heather Vogel Frederick

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When someone tries to sabotage the maple trees on her friend Franklin's family farm, Truly Lovejoy rallies the Pumpkin Falls Private Eyes to investigate.

Absolutely Truly

By Heather Vogel Frederick

Average: 0.00, 0 Ratings

"Twelve-year-old Truly Lovejoy's family moves to a small town to take over a bookstore. Soon, she has to solve two mysteries involving a missing book and an undelivered letter"-- Twelve-year-old T...

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.