Douglas Yacka Books

The Golden Girls Mad Libs

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Finally! A Mad Libs for fans of the Golden Girls! Thank you for being a NOUN! Golden Girls fans will love to relive all their favorite memories with Blanche, Dorothy, Sophia, and Rose by filling in...

Who Was Andrew Jackson

By Jake Murray, Douglas Yacka

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The Clarence Summer Activity Book

By Douglas Yacka

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Presidential Mad Libs

By Douglas Yacka

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Mad Libs is the world’s greatest word game and the perfect gift for anyone who likes to laugh! Write in the missing words on each page to create your own hilariously funny stories all about U...

Where Is Broadway?

By Douglas Yacka, Francesco Sedita Illustrated By John Hinderliter

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Take your seats, because Where Is Broadway? is ready to take center stage!In a lively and engaging style, authors Douglas Yacka and Francesco Sedita cover the development of the first theaters and...

Where Is Broadway?

By Douglas Yacka, Francesco Sedita Illustrated By John Hinderliter

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Take your seats, because Where Is Broadway? is ready to take center stage!In a lively and engaging style, authors Douglas Yacka and Francesco Sedita cover the development of the first theaters and...

Who was Andrew Jackson

By Douglas Yacka

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Presents a biography of the hero of the Battle of New Orleans during the War of 1812 who became the seventh President of the United States.

Who was Andrew Jackson?

By Douglas Yacka

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Presents a biography of the hero of the Battle of New Orleans during the War of 1812 who became the seventh President of the United States.

Craft Beer Mad Libs

By Douglas Yacka

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Light, hoppy, and bursting with flavor, Craft Beer Mad Libs goes down easy.Grab a pint of your favorite brew and settle down with Craft Beer Mad Libs. Featuring 21 fill-in-the-blank stories, this M...

Presidential Mad Libs

By Douglas Yacka

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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.