Sara Pennypacker Books

Clementine and the spring trip

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Third-grader Clementine's school field trip to Plimoth Plantation leads to all kind of discoveries, from fourth grade eating rules to the source of the stink on the bus.

Clementine And The Family Meeting

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Clementine and the Spring Trip

By Sara Pennypacker, Marla Frazee

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Clementine s Letter

By Marla Frazee, Sara Pennypacker

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Clementine All about You Journal

By Sara Pennypacker, Marla Frazee

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Talented Clementine

By Sarah Pennypacker

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Waylon

By Sara Pennypacker, Marla Frazee

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Waylon

By Sara Pennypacker

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"Waylon and Baxter share in the care of a stray dog, Dumpster Eddy"--

Waylon

By Sara Pennypacker, Marla Frazee

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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.