Sonia Purnell Books

A Woman of No Importance

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A NEW YORK TIMES BESTSELLERChosen as a BEST BOOK OF THE YEAR by NPR, the New York Public Library, Amazon, the Seattle Times, the Washington Independent Review of Books, PopSugar, the Minneapolis St...

Kingmaker

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“A thorough account of Harriman’s rise which also manages to be a brisk, twisty read … riveting and revelatory.” —The New Yorker“Rigorous but rollicking.” —The New York TimesNamed a BEST BOOK OF TH...

Agent Most Wanted

By Sonia Purnell

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A young readers adaptation of Sonia Purnell's New York Times bestselling book A Woman of No Importance, the story of Virginia Hall; the unassuming American spy who helped the allies win World War I...

Kingmaker

By Sonia Purnell

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From the New York Times bestselling and award-winning author of A WOMAN OF NO IMPORTANCE, an electrifying re-examination of one of the 20th century’s greatest unsung power playersWhen Pamela...

Clementine

By Sonia Purnell

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“Engrossing…the first formal biography of a woman who has heretofore been relegated to the sidelines.”–The New York TimesFrom the author of the New York Times bestseller A...

A Woman of No Importance

By Sonia Purnell

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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.