Jane Knapik Books

Sarah's flag for Texas

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Living in Texas in the 1830s, twenty-three-year-old Sarah sees many significant changes as the area moves to declare its independence from Mexico.

Marble Falls

By Jane Knapik, Amanda Rose

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Would You Like to Ride With... Famous Texas Ranchers

By Jane Alexander Knapik, Jane Knapik

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Presents short biographies of ten noted Texas ranchers, including Charles Schreiner, Watt Matthews, and Mary Nan West.

Schulenburg 100 Years on rd 1873 1973

By Jane Knapik

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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.