Lois Walfrid Johnson Books

The mysterious hideaway

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Kate, Anders, and Erik investigate baffling clues that lead them to tunnels in the woodpile, stolen food, and a hidden ladder.

Grandpa's stolen treasure

By Lois Walfrid Johnson

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Kate and Anders try to follow the guidance of God when his grandparents travel from Sweden to Wisconsin and Grandma vanishes under mysterious circumstances.

The runaway clown

By Lois Walfrid Johnson

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While working for the circus that is touring Wisconsin in 1907, Kate and her stepbrother Anders uncover a mystery.

Mystery of the missing map

By Lois Walfrid Johnson

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When thirteen-year-old Kate, her stepbrother Anders, and their friend Erik go to visit Kate's blind second cousin in Red Jacket, Michigan, in 1907, they decide to try to find a long-lost map that w...

Disaster on Windy Hill

By Lois Walfrid Johnson

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After Kate buys Windsong and Breeza, two horses with a mysterious past, someone sets the Nordstrom barn on fire and Windsong disappears.

Race for freedom

By Lois Walfrid Johnson

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In 1857, while helping to conceal a runaway slave on her father's Mississippi River steamboat, twelve-year-old Libby looks to God for support and hopes that her friend Caleb will let her join the U...

Midnight rescue

By Lois Walfrid Johnson

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In 1857, having arrived in Minnesota Territory on her father's steamboat, twelve-year-old Libby continues to harbor the runaway slave boy Jordan while worrying about a fugitive who has escaped from...

Mysterious signal

By Lois Walfrid Johnson

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Libby finds comfort in God's love as she faces the dangers of trying to help a fugitive slave escape to freedom through the Underground Railroad.

The fiddler's secret

By Lois Walfrid Johnson

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You're worth more than you think! Lois Walfrid Johnson.

By Lois Walfrid Johnson

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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.