Kayla Harren Books

Calvin

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In this joyful and impactful picture book, a transgender boy prepares for the first day of school and introduces himself to his family and friends for the first time.Calvin has always been a boy, e...

Juma the Giraffe

By Kayla Harren, Monica L Bond

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Moi Calvin

By J R Ford, Vanessa Ford, Kayla Harren

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A Planet Like Ours

By Frank Murphy, Kayla Harren, Charnaie Gordon

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Mary Had a Little Lizard

By Kayla Harren

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Thursday

By Kayla Harren, Ann Bonwill

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My Blue-Ribbon Horse

By Elizabeth Letts, Kayla Harren

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#1 NEW YORK TIMES BESTSELLERNovember 1958: the National Horse Show at Madison Square Garden in New York City. Into the rarefied atmosphere of wealth and tradition comes the most unlikely of horses&...

My Blue Ribbon Horse

By Elizabeth Letts, Kayla Harren

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This Is How We Play

By Caroline Cupp, Jessica Slice, Kayla Harren

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A jubilant, inclusive, luminously illustrated picture book that features families at play, each with a family member who has a disability.With love and adaptation, this is how we play! This joyful...

Mary Had a Little Lizard

By Kayla Harren

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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.