Gail Karwoski Books

SeaMan

By By Gail Langer Karwoski Illustrated By James Watling

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A 150-pound Newfoundland dog teams with Lewis & Clark for an edge-of-your-seat middle grade adventure.It is 1804, the year that Meriwether Lewis, William Clark, and the Corps of Discovery set out f...

Quake!

By By Gail Langer Karwoski Illustrated By Robert Papp

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A boy and his dog navigate dangerous rubble, prejudices, and survival in this riveting fictional account of the San Francisco Earthquake of 1906.It's before daybreak in San Francisco on April 18, 1...

TSUNAMI

By Gail Langer Karwoski

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Seaman Lib E

By Carroll Charles, Gail Langer Karwoski

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Water Beds

By Gail Langer Karwoski

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Julie the Rockhound

By Gail Langer Karwoski

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Surviving Jamestown

By Gail Karwoski

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Water Beds

By Gail Langer Karwoski

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Testing Ground

By Gail Karwoski

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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.