Tyler, Varro E Books

The New Honest Herbal: A Sensible Guide To Herbs And Related Remedies

By Varro E Tyler, Varro E. Tyler, Tyler, Varro E, Tyler, Varro E. Honest Herbal

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Varro E. Tyler. Rev. Ed. Of: The Honest Herbal. 1982. Includes Bibliographies And Index.

Focus On Forgeries: A Guide To Forgeries Of Common Stamps

By Varro E. Tyler, Tyler, Varro E

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An easy to use reference work to help collectors recognize forgeries of common, low-to-medium-price stamps

Linn'S Focus On Forgeries: A Guide To Forgeries Of Common Stamps

By Varro E. Tyler, Tyler, Varro E

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An easy to use reference work to help collectors recognize forgeries of common, low-to-medium-price stamps

Herbs Of Choice: The Therapeutic Use Of Phytomedicinals

By Varro E. Tyler, Tyler, Varro E

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Basic Principles -- The Herbal Regulatory Dilemma -- Digestive System Problems -- Kidney, Urinary Tract, And Prostate Problems -- Respiratory Tract Problems -- Cardiovascular System Problems -- Ner...

Herbs Of Choice: The Therapeutic Use Of Phytomedicinals

By Varro E. Tyler, Tyler, Varro E

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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.