Penguin Random House Books

Mealtime Babys Very First

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Octonauts and the whitetip shark .

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"The Octonauts are out on the reef when a scary whitetip shark attacks the GUP-A! A tiny pilot fish offers to lend a fin, giving Captain Barnacles a brilliant idea: maybe all this whitetip shark ne...

Octonauts and the Adelie penguins

By Penguin Random House

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The Octonauts are in Antarctica - the coldest place on Earth - and the Adelie penguin chicks have just hatched. While the Adelie penguin parents go hunting for food, Captain Barnacles, Kwazii and P...

Turtles All the Way Down

By John Green

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Turtles all the way down

By John Green

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Aza Holmes is a young woman navigating daily existence within the ever-tightening spiral of her own thoughts.

Los jardines de la abuela

By Chelsea Clinton, Carme Lemniscates, Hillary Rodham Clinton

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¿Qué compartes con las personas a las que quieres?Abuela Dorothy compartió su amor por los jardines con su hija Hillary y con su nieta Chelsea. Les enseñó que los j...

Untitled 453599

By Penguin Random House

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Psalms

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My father s flying machine

By Penguin Random House

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Peter is determined to find the flying machine his father crashed in Mr. McGregor's garden years ago. And Lily and Benjamin are ready to help. Let's hop to it!

Cracking the TASC

By Penguin Random House

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"All the strategies, review, and practice you need to earn your high school equivalency certificate! Includes 2 full-length practice exams and bonus online drills and tutorials. The TASC (Test Asse...

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.