Todd Keeler Wolf Books

Introduction to California Plant Life, Revised Edition

By Robert Ornduff, Phyllis M. Faber, Phyllis Faber, Todd Keeler Wolf

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"California's unique plants range in size from the stately coast redwoods to the minute belly plants of the southern deserts and in age from four-thousand-year-old bristlecone pines to ephemeral an...

Introduction to California Plant Life Revised Edition

By Robert Ornduff, Phyllis Faber, Todd Keeler Wolf

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Manual of California Vegetation

By John O. Sawyer, Todd Keeler Wolf

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Introduction to California Plant Life

By Robert Ornduff, Phyllis Faber, Todd Keeler Wolf

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Terrestrial Vegetation of California 3rd Edition

By Michael Barbour, Todd Keeler Wolf, Allan A. Schoenherr

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Terrestrial Vegetation of California 3rd Edition

By Michael Barbour, Todd Keeler Wolf, Allan A. Schoenherr

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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.