Donald Saaf Books

The ABC animal orchestra

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"Aardvarks play accordions Butterflies strum banjos Chimpanzees crash cymbals Preschoolers can learn their ABCs with the fresh, alliterative text and the charming illustrations of animal friends pl...

Love in the time of climate change

By Brian Adams

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Meet Casey, a community college professor with OCD (Obsessive Climate Disorder). While navigating the zaniness of teaching he leads a rag-tag bunch of climate activists, lusts after one of his stud...

Ten little sleepyheads

By Elizabeth Provost

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Ten sleepy insects snack, read, and play before they fall asleep, one by one.

El Hombre que Vive Solo en la Montana

By Donald Saaf, David Budbill, Paz Pruneda Gonzalvez

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Hello Hello

By Donald Saaf, Dan Zanes

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Ten Little Sleepyheads

By Donald Saaf, Elizabeth Provost

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Broken Wing

By Donald Saaf, David Budbill

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Skinny Brown Dog

By Kimberly Willis Holt, Donald Saaf

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Skinny Brown Dog

By Kimberly Willis Holt, Donald Saaf

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Wee G

By Jean Little, Donald Saaf

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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.