Louis Sachar Books

Holes

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As further evidence of his family's bad fortune which they attribute to a curse on a distant relative, Stanley Yelnats is sent to a hellish correctional camp in the Texas desert where he finds his...

When Laura Sibbie starts a club called Pig City, she incites a near-war among her sixth-grade classmates and generates the creation of a rival club that has designs on Pig City's precious box of se...

Marvin Redpost 3: Is He a Girl?

By Louis Sachar

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This chapter book in Newbery Honor–winning and bestselling author Louis Sachar’s Marvin Redpost series offers a sidesplitting take on the differences between girls and boys!   Whe...

Marvin Redpost 8: A Magic Crystal?

By Louis Sachar

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This chapter book in Newbery Honor–winning and bestselling author Louis Sachar’s Marvin Redpost series is getting magical…or is it?   Marvin Redpost has a girlfriend—...

Quan ban dou bian cheng le ping guo

By Louis Sachar

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Hoyos

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Sucesos en Monte Paramo

By Louis Sachar, Luisa Uribe

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Hoyos

By Louis Sachar

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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.