Kevin Henkes Books

Owen's Marshmallow Chick

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Owen is joyous when he receives a marshmallow chick as part of an Easter basket. Decked out in his purple plaid Easter finery, this boy mouse spends a giddy day playing with his sugary new pal. And...

Sheila Rae's Peppermint Stick

By Kevin Henkes

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"One peppermint stick. Two sisters. See sibling rivalry turn to sweet solidarity."

Wemberly's Ice-Cream Star

By Kevin Henkes

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A mouse named Wemberly, who worries about everything, finds that patience, just like a frosty treat, will go a long way.

Owen's Marshmallow Chick Book and Finger Puppet

By Kevin Henkes

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Olive's Ocean

By Kevin Henkes

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On a summer visit to her grandmother's cottage by the ocean, twelve-year-old Martha gains perspective on the death of a classmate, on her relationship with her grandmother, on her feelings for an o...

Olive's Ocean

By Kevin Henkes

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Sheila Rae's Peppermint Stick Board Book and Finger Puppet

By Kevin Henkes

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All Alone

By Kevin Henkes

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All Alone

By Kevin Henkes

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Wemberly's Ice Cream Star Display

By Kevin Henkes

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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.