Cal Newport Books

The 5 Choices

By Kory Kogon, Leena Rinne, Adam Merrill

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Purdikkat Odaklanma Becerisini Nasil Yitirdik Nasil Geri Kazanabiliriz

By Cal Newport

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Muzikle yasayan kadinlar

By Deniz Kologlu

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Ru he kao jin shi jie ding jian ming xiao

By Cal Newport

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Ben shu fen wei tan suo pian, Zhuan zhu pian, Chuang xin pian, Fen bie jie shao cong bu tong ce mian le jie ru he cheng gong jin ru shi ding jian ming xiao.

Centrate

By Cal Newport, Maria Mercedes Correa

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Hazlo tan bien que no puedan ignorarte

By Cal Newport, Diego Pereda Sancho

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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.