Leslie Valdes Books

Happy Mother's Day, Mami!

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"It's Mother's Day! Dora has decided to make a special cake for her mami, but first she must gather all the ingredients ..."

Dora's Christmas parade

By Leslie Valdes

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When Dora's grandma is too unwell to come to the family Christmas celebration, Dora and Boots use their Christmas presents to start a musical parade to abuela's house.

Meet Diego Nick Jr. Dora the Explorer

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Dora Goes to School

By Leslie Valdes

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Dora s Pirate Adventure

By Leslie Valdes

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Dora the Explorer At the Carnival

By Na

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Castaways! (Nick Jr. The Backyardigans)

By Leslie Valdes, Alison Inches

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Dora Goes to School Dora the Explorer 8x8 Turtleback

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At the Carnival

By Leslie Valdes

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Meet Diego

By Leslie Valdes

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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.