Ally Carter Books

Cross My Heart and Hope to Spy

By Ally Carter

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Don t Judge A Girl By Her Cover

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Not if I save you first

By Ally Carter

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Maddie thought she and Logan would be friends forever. But when your dad is a Secret Service agent and your best friend is the president's son, sometimes life has other plans. Before she knows it,...

Cross my heart and hope to spy

By Ally Carter

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Despite Cammie's best intentions to be a normal student, danger seems to follow her ... and this time the stakes for Cammie's heart - and her beloved school - are even higher.

Katrina Bishop had left the family, forever. Or so she thought. When a very evil and wealthy man accuses her father wrongly of stealing his precious paintings, Kat has to step in to save her dad. A...

Out of sight out of time

By Ally Carter

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Heist society

By Ally Carter

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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.