Bob Marstall Books

The Food Co Op Handbook

By Co Op Handbook Collective., Bob Marstall, The Co Op Handbook Collective

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One Day in the Prairie

By Bob Marstall, Jean Craighead George

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An Extraordinary Life: The Story of a Monarch Butterfly

By Laurence Pringle, Bob Marstall, Laurence P. Pringle

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Introduces the life cycle, feeding habits, migration, predators, and mating of the monarch butterfly through the observation of one particular monarch named Danaus.

On Bird Hill

By Bob Marstall, Jane Yolen

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Fire in the Forest

By Bob Marstall, Laurence Pringle

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Butternut Hollow Pond

By Bob Marstall, Brian Heinz

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On Bird Hill

By Bob Marstall, Jane Yolen

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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.