Kevin Henkes Books

Penny and her marble

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Penny feels guilty after taking a beautiful blue marble that she sees in Mrs. Goodwin's grass, but gets a pleasant surprise when she goes to return it the next day.

Finding Things

By Kevin Henkes, Laura Dronzek

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Little white rabbit

By Kevin Henkes

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As he hops along a little rabbit wonders what it would be like to be green as grass, tall as fir trees, hard as rocks, and flutter like butterflies.

Penny and her song

By Kevin Henkes

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Penny comes home from school eager to share her very own song, but must wait until the time is right to teach it to her parents and the babies.

Jessica

By Kevin Henkes

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Ruthie does everything with her imaginary friend Jessica; and then on her first day at kindergarten, she meets a real new friend with the same name.

Lilly's big day

By Kevin Henkes

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When her teacher announces that he is getting married, Lilly the mouse sets her heart on being the flower girl at his wedding.

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.