Shirley Parenteau Books

A collection of 19 recipes using raw or lightly cooked fresh vegetables. Includes historical notes and information on vitamin and mineral content of the foods.

Jelly and the spaceboat

By Shirley Parenteau

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Jelly and Rich find themselves headed down the Sacramento River on an unusual houseboat with a crew from outer space.

One Frog Sang

By Shirley Parenteau

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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.