Sara Shepard Books

Crueldad Heartless (Pequenas Mentirosas Pretty Little Liars) (Spanish Edition)

By Sara Shepard

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Confidencias Killer (Pequenas Mentirosas Pretty Little Liars) (Spanish Edition)

By Sara Shepard

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Safe in My Arms

By Sara Shepard

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The latest novel from Sara Shepard, author of Reputation and the #1 New York Times bestselling Pretty Little Liars series. When the principal of an elite California prescho...

A humorous, heartfelt, highly illustrated middle grade series about friendship, feelings, and finding your people, from #1 New York Times bestselling author Sara Shepard.Why does the cubby room alw...

Penny Draws a Best Friend

By Sara Shepard

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Penny Draws a School Play

By Sara Shepard

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The second book in the humorous, heartfelt, highly illustrated series about a girl who doodles to cope with her anxiety, from #1 New York Times bestselling author Sara Shepard.Halfway through the f...

Penny Draws a School Play

By Sara Shepard

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Penny Draws a Secret Adventure

By Sara Shepard

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The third book in the humorous, heartfelt, highly illustrated series about a girl who doodles to cope with her anxiety, from #1 New York Times bestselling author Sara Shepard.Little by little, Penn...

Penny Draws a Secret Adventure

By Sara Shepard

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Penny Draws a Class Trip

By Sara Shepard

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The fourth book in the humorous, heartfelt, highly illustrated series about a girl who doodles to cope with her anxiety, from #1 New York Times bestselling author Sara Shepard.When fifth grader Pen...

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.