Janna Matthies Books

Two is enough

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From playing in the snow to a rainy-day ride, to double-scoop treats and crash-landing in leaves, two can be the perfect number for creating life's memories. And two can definitely be enough for a...

Peter the knight with asthma

By Janna Matthies

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Brave Peter, a young knight, stands on the lookout, protecting the castle. A ferocious dragon creeps out of the woods! Brave Peter charges after him - until wheeze, wheeze, sputter, sputter - it's...

Monster trucks

By Janna Matthies

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"Get ready to rumble as 'monster' trucks spend a busy day working on site. These hilarious truck characters and funny, rhyming text will make you kick and scream and beg for more!"--Cover back.

The goodbye cancer garden

By Janna Matthies

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When a mother is diagnosed with breast cancer, she and her family plant a garden and watch it grow through the seasons as she undergoes treatments and gets better.

Kansere Elveda Bahcesi

By Janna Matthies

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Two Is Enough

By Mourning Tuesday, Janna Matthies

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Two Is Enough

By Mourning Tuesday, Janna Matthies

Average: 0.00, 0 Ratings

Two Is Enough

By Mourning Tuesday, Janna Matthies

Average: 0.00, 0 Ratings

Peter the knight with asthma

By Janna Matthies

Average: 0.00, 0 Ratings

When he begins to cough and wheeze while pretending he is a knight slaying dragons, Peter is taken to the doctor and learns he has asthma and what he can do to control its symptoms..

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.