Kathy Hoopmann Books

Blue Bottle Mystery Turtleback School Library Binding Edition

By Kathy Hoopmann

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Of mice and aliens

By Kathy Hoopmann

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Ben's attempt to cope with his newly diagnosed Asperger Syndrome is complicated by the crash landing in his back yard of an alien who knows nothing about Earth's rules and norms.

Lisa and the lacemaker

By Kathy Hoopmann

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Lisa, a girl with Asperger syndrome, discovers a series of basement rooms under her friend Ben's house and spends hours exploring the remnants of a past era.

Haze

By Kathy Hoopmann

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The Essential Manual for Asperger Syndrome in the Classroom

By Kathy Hoopman

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Blue bottle mystery

By Kathy Hoopmann

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Full of mystery and intrigue, this graphic novel version of Kathy Hoopmann's best-selling adventure follows Ben, a boy with Asperger syndrome (AS). When Ben and his friend Andy discover an old blue...

Blue bottle mystery

By Kathy Hoopmann

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Ben finds an unusual old bottle buried in the school yard, and in a roundabout way it helps Ben and his family find out what is causing some of the persistent problems he has both at home and at sc...

Autism Spectrum Disorder and Your Child

By Kathy Hoopmann

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Butun Kopekler Hiperaktiftir ve Odaklanmakta Zorlanirlar

By Kathy Hoopmann

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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.