Allan Fowler Books

World's fairs and expos

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Describes historic and modern World's fairs, where new and future inventions, and styles of architecture, art, and entertainment are previewed.

A Circle Is Always a Circle Rookie Read About Math

By Childrens Press, Allan Fowler

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Counting Is Better Than Guessing

By Allan Fowler

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It could still be a fish

By Allan Fowler

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Identifies the characteristics of fish and provides specific examples, including the ray, guppy, eel, and seahorse.

It could still be a mammal

By Allan Fowler

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Identifies the characteristics of mammals and provides specific examples, including the whale, bat, kangaroo, and puppy.

It could still be a tree

By Allan Fowler

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Identifies the characteristics of trees and provides specific examples, including the maple, evergreen, magnolia, and redwood.

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.