Leslie Valdes Books

Dora goes to school

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On their first day of school Dora and Boots come to the rescue when their teacher's bike gets a flat tire. Includes a matching game.

Dora s Pirate Adventures Nick Jr Dora the Explorer

By Leslie Valdes

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Dora the Explorer

By Leslie Valdes, Christine Ricci

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Dora goes to school

By Leslie Valdes

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Dora's teacher has to get to school before the students do, but her bicycle just got a flat tire. Can Dora and Boots help their teacher get to school in time?

At the Carnival Dora the Explorer

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Dora s Backpack Dora the Explorer

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Dora s pirate adventure

By Leslie Valdes

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Dora the Explorer Set 2 6 Titles

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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.