Louise Fitzhugh Books

Harriet the Spy

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Sport

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Eleven-year-old Sport Rocque is living a happy life, keeping his father?s absentmindedness under control, and managing the family budget. When Kate, Sport?s new?and nice?stepmother enters the p...

Harriet the Spy, Double Agent

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Harriet is impressed to learn that the girl she has befriended, now called Annie Smith, is the person who not only created three names–Rosarita Sauvage, Yolanda Montezuma, and Zoe Carpaccio–but a...

The Long Secret

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Harriet the Spy refuses to become ruffled when an unidentified person starts leaving disturbing notes all over the quiet little beach town of Water Mill. She’s determined to discover the author o...

Nobody s Family Is Going to Change M Books

By Louise Fitzhugh

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Harriet Spies Again

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Harriet M. Welsch has just received the best news of her eleventh year—Ole Golly is coming back! Harriet can still remember how sad she was when her beloved nanny married George Waldenstein and m...

Nobody s Family Is Going to Change Dell

By Louise Fitzhugh

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I Am Four

By Louise Fitzhugh

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Harriet the Spy

By Louise Fitzhugh

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Long Secret

By Louise Fitzhugh

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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.