Vivian Sathre Books

Because of his little sister's allergies, J.B. doesn't have a pet to enter in his fourth grade class parade, but he has to come up with some idea to beat the bully who is always picking on him.

Digging up the past

By Vivian Sathre

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Because Wishbone keeps getting interrupted while trying to take a nap, he begins thinking about Rip Van Winkle and finds himself in Rip's shoes, finally waking to a changed world.

Dog overboard!

By Vivian Sathre

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Wishbone imagines that he is David Balfour, the young Scottish Lowlander bound for adventure in Kidnapped, the novel by Robert Louis Stevenson.

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.