D'Agnese, Joseph Books

Big Weed: An Entrepreneur'S High-Stakes Adventures In The Budding Legal Marijuana Business

By Christian Hageseth, Joseph D'Agnese, D'Agnese, Joseph, Hageseth, Christian

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Legal marijuana is the hottest story in the US today. In the United States, 25 states and the District of Columbia have authorized sales in some form; Denver has more legal marijuana dispensaries t...

Signing their rights away

By Denise Kiernan

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Presents the lives, deaths, and scandals involving the thirty-nine signers of the United States Constitution, including Benjamin Franklin, Alexander Hamilton, and James McHenry.

The Marshal of the Borgo

By Joseph D Agnese

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Stuff Every American Should Know

By Joseph D Agnese, Denise Kiernan

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A pocket-sized gift book packed with patriotic facts for ordinary Americans and history buffs alike. This handbook is the perfect patriotic present for any engaged United States citizen....

Signing Their Rights Away

By Joseph D Agnese, Denise Kiernan

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Get a new view of American history with this collection of fun, fact-filled biographies revealing the untold stories of the 39 statesmen who signed the U.S. Constitution. A companion book to Sign...

Stuff Every American Should Know

By Joseph D Agnese, Denise Kiernan

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Full of fun history trivia and illustrated how-to skills, this pocket-sized gift book answers all your burning questions about American history and culture!This handbook is the perfect patriotic pr...

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.