Paula K. Manzanero Books

Marvel s Guardians of the Galaxy Mad Libs

By Paula K. Manzanero

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The Who Was? History of the World

By Paula K. Manzanero, Who HQ

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Based on The New York Times Best-Selling series, this timeline of world history gives a fresh take on global events, from King Tut to Malala Yousafzai.For the first time ever, the Who Was? subjects...

Who Was? Mad Libs

By Paula K. Manzanero

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Get to know your favorite historical figures in a brand-new way with Mad Libs! Our Mad Libs is the perfect interactive book for fans of the Who Was? series. It features 21 original stories abo...

Who Is (Your Name Here)?: The Story of My Life

By Tomie DePaola, Paula K. Manzanero, Nancy Harrison, Who HQ

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Abraham Lincoln. Nelson Mandela. Amelia Earhart. Your name here.This fun and interactive journal prompts kids to record their own life stories. Each illustrated spread focuses on different topics...

The Who Was? History of the World: Deluxe Edition

By Paula K. Manzanero, Robert Squier, Who HQ

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This timeline of world history gives a fresh take on global events, from King Tut to Malala Yousafzai, and includes ten pages of bobblehead stickers!More than 150 Who Was? subjects gathered into a...

?Quien fue?: Historia del mundo

By Yanitzia Canetti, Paula K. Manzanero, Robert Squier, Who HQ

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Based on the #1 New York Times Best-Selling series, this timeline of world history gives a fresh take on global events, from King Tut to Malala Yousafzai.Basada en la serie más vendida del N...

Who Was Salvador Dali?

By Gregory Copeland, Paula K. Manzanero, Who HQ

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Learn about the fascinating career of surrealist Salvador Dalí from his early life in Spain through his public life as an internationally famous artist in this exciting addition to the&...

Where Is Area 51?

By Paula K. Manzanero Illustrated By Tim Foley

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You'll find it on a map--but you'll never get anywhere near this top secret military base. What exactly is going on there?Is Area 51 a top secret military base that lies in the middle of the barren...

Where is Area 51?

By Paula Manzanero

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Describes the isolated Nevada air base known as Area 51, covering its use for testing top-secret aircraft, and discusses speculation about a connection to unidentified flying objects.

The Who Was? History of the World

By Paula K. Manzanero Illustrated By Robert Squier

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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.