Catherine Stier Books

If I ran for president

By Catherine Stier

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Discusses the presidential election process seen through the eyes of a child.

If I Were President

By Catherine Stier

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What s bugging Nurse Penny

By Catherine Stier

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When Nurse Penny loses her smile, three of her young patients provide encouragement, which leads to an impromptu school assembly at which Nurse Penny educates students about head lice, with which s...

If I were president

By Catherine Stier

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A simple description of the duties, responsibilities, and traditions of the office of president.

If I Were President

By Catherine Stier

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Growing Food in the Garden

By Catherine Stier, Francesca Rosa

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Bugs in my hair

By Catherine Stier

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When immaculately groomed Ellie gets head lice she is terribly upset, but once she learns some facts about the creatures, she calms down and figures out a way to help her classmates.

If I Were President

By Catherine Stier

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The Terrible Secrets of the Tell All Club

By Catherine Stier

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Today on election day

By Catherine Stier

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The school gym is a polling place and Bailey, Ren, David, Meg, Aiden, and Isabella know all about Election Day and voting! Bailey helped her Aunt Julia run for a seat on the city council. Aiden goe...

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.