Fowler DeWitt Books

The contagious colors of Mumpley Middle School

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When a mysterious illness sweeps through school, causing students to change color, sixth-grader scientist Wilmer Dooley tries to find the cause and cure.

The contagious colors of Mumpley Middle School

By Fowler DeWitt

Average: 0.00, 0 Ratings

When a mysterious illness sweeps through school, causing students to change color, sixth-grader scientist Wilmer Dooley tries to find the cause and cure.

The amazing Wilmer Dooley

By Fowler DeWitt

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Hoping to impress Roxie with his dazzling project on bacteria, seventh-grader-to-be Wilmer Dooley enters the state science fair, where he encounters his arch nemesis, Claudius, who may be planning...

The amazing Wilmer Dooley

By Fowler DeWitt

Average: 0.00, 0 Ratings

Hoping to impress Roxie with his dazzling project on bacteria, seventh-grader-to-be Wilmer Dooley enters the state science fair, where he encounters his arch nemesis, Claudius, who may be planning...

Contagious Colors of Mumpley Middle School

By Fowler DeWitt, Rodolfo Montalvo

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Amazing Wilmer Dooley

By Fowler DeWitt, Rodolfo Montalvo

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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.