Michael L. Ryder Books

Animal Bones In Archaeology

By Ryder., Michael L. Ryder, Michael Lawson

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Hair,

By Michael L. Ryder

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The Structure Of Skin -- The Development Of Individual Hair Follicles -- The Hair Follicle And Hair Growth -- The Structure Of Individual Hairs -- The Grouping Of Hair Follicles In The Skin -- Hair...

Hair,

By Michael L. Ryder

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Sheep And Man

By M. L. Ryder, Michael L. Ryder

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Apart From The Dog, The Sheep Was The First Animal Domesticated By Man. Wool Has Been Of Prime Importance Throughout Man's History. This Book Combines Evidence From - Anthropology, Geography, Folkl...

Sheep And Man

By Michael L. Ryder, Michael Lawson Ryder

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Apart from the dog, the sheep was the first animal domesticated by man (in about 10,000 BC). This pioneering book on the history of our highly profitable relationship combines evidence from every p...

Sheep And Wool For Handicraft Workers

By M. L. Ryder, Michael L. Ryder

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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.