Katharine Payne Books

Silent Thunder

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A natural history rich in observation of the animal world and how humans participate in it, Silent Thunder is also a passionate story of scientist Katy Payne’s spiritual quest as she turns a keen e...

Elephants calling

By Katharine Payne, Katherine Payne

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The author describes her discovery that elephants communicate with low-frequency "songs" that are inaudible to humans.

ELEPHANT CALLING GLB

By Katharine Payne

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SILENT THUNDER: In the Presence of Elephants

By Katharine Payne, Katy Payne

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In 1984, Katy Payne visited the elephants at Washington Park Zoo in Portland, Oregon. She had been studying whale songs for the last fifteen years, and she was curious about the ways that elephants...

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.