Douglas John Emlen Books

Animal Weapons

By Douglas J. Emlen

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Evolution

By Douglas J. Emlen, Carl Zimmer

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Evolution 2e & Study Guide

By Douglas J. Emlen, Douglas John Emlen, Carl Zimmer

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Science writer Carl Zimmer and evolutionary biologist Douglas Emlen have teamed up to write a textbook intended for biology majors that will inspire students while delivering a solid foundation in...

Beetle Battles

By Douglas J. Emlen

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Evolution

By Douglas J. Emlen, Carl Zimmer

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Evolution

By Douglas J. Emlen, Carl Zimmer

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Evolution 3e IE

By Douglas J. Emlen, Carl Zimmer

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Animal Weapons

By David J. Tuss, Douglas J. Emlen

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Beetle Battles

By Douglas John Emlen

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动物武器 = Animal Weapons

By Douglas John Emlen, 胡正飞译, 埃姆伦 (Emlen, Douglas J.), Douglas John Emlen, 道格拉斯·埃姆伦(Douglas J.Emlen)著

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1 (p1): 引言 11 (p2): 第一部分起始于小 13 (p2-1): 01伪装及护甲 29 (p2-2): 02尖牙和利爪 47 (p2-3): 03钩钳与巨颚 61 (p3): 第二部分水到渠成 63 (p3-1): 04竞争:男争女斗 85 (p3-2): 05经济:物有所值 103 (p3-3): 06对决:一决雌雄 127 (p4): 第三部分自生自灭 129 (p4...

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.