Christina Leaf Books

Baby Sea Otters

By Christina Leaf

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Anglerfish

By Christina Leaf

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"Engaging images accompany information about anglerfish. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 7"--

Baby ducks

By Christina Leaf

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"Developed by literacy experts for students in kindergarten through grade three, this book introduces baby ducks to young readers through leveled text and related photos"--

Baby Lions

By Christina Leaf

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Baby pigs

By Christina Leaf

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"Developed by literacy experts for students in kindergarten through grade three, this book introduces baby pigs to young readers through leveled text and related photos"--

Baby sea otters

By Christina Leaf

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"Developed by literacy experts for students in kindergarten through grade three, this book introduces baby sea otters to young readers through leveled text and related photos"--

Baby Seals

By Christina Leaf

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Baby Sheep

By Christina Leaf

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Humpback Whales Ocean Life Up Close Blastoff Readers Level 3

By Christina Leaf

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Jellyfish

By Christina Leaf

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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.