Hal Whitehead Books

Cetacean Societies: Field Studies of Dolphins and Whales

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Cetacean Societies: Field Studies of Dolphins and Whales

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Sperm Whales: Social Evolution in the Ocean

By Hal Whitehead

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Sperm Whales: Social Evolution in the Ocean

By Hal Whitehead

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Famed in story as "the great leviathans," sperm whales are truly creatures of extremes. Giants among all whales, they also have the largest brains of any creature on Earth. Males can reach a length...

Analyzing Animal Societies

By Hal Whitehead

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Analyzing Animal Societies: Quantitative Methods for Vertebrate Social Analysis

By Hal Whitehead

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Voyage to the whales.

By Hal Whitehead

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Voyage to the whales

By Hal Whitehead

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Analyzing Animal Societies

By Hal Whitehead

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The Cultural Lives of Whales and Dolphins

By Hal Whitehead

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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.