Ryan Calejo Books

ChupaCarter And The Haunted Piñata

By Ryan Calejo, Santy Gutiérrez, George Lopez, George Lopez With Ryan Calejo; Illustrated By Santy Gutiérrez

Average: 0.00, 0 Ratings

In this hilarious follow-up to ChupaCarter, world-famous entertainer George Lopez delivers a spooky tale of mystery, revenge, and friendship starring 12-year-old Jorge and Carter, the fearsome but...

Charlie Hernandez the league of shadows

By Ryan Calejo

Average: 0.00, 0 Ratings

Steeped in Hispanic folklore since childhood, middle schooler Charlie Hernández learns the stories are true when, shortly after his parents disappearance, he grows horns and feathers and finds hims...

Charlie Hernandez the League of Shadows

By Ryan Calejo

Average: 0.00, 0 Ratings

Charlie Hernandez the Castle of Bones

By Ryan Calejo

Average: 0.00, 0 Ratings

ChupaCarter

By Ryan Calejo, George Lopez, Santy Gutierrez

Average: 0.00, 0 Ratings

With his signature laugh-out-loud humor, world-famous comedian George Lopez launches a magical series inspired by his own colorful childhood and Latinx folklore. In this illustrated contemporary fa...

ChupaCarter

By Ryan Calejo, George Lopez, Santy Gutierrez

Average: 0.00, 0 Ratings

ChupaCarter and the Haunted Pinata

By Ryan Calejo, Santy Gutierrez, George Lopez

Average: 0.00, 0 Ratings

In this hilarious follow-up to ChupaCarter, world-famous entertainer George Lopez delivers a spooky tale of mystery, revenge, and friendship starring 12-year-old Jorge and Carter, the fearsome but...

ChupaCarter and the Screaming Sombrero

By Ryan Calejo, Santy Gutierrez, George Lopez

Average: 0.00, 0 Ratings

George Lopez does it again in his next laugh-out-loud ChupaCarter adventure! Jorge and his chupacabra chum Carter are hot on the trail of the legendary El Dorado gold . . . but so are some wicked t...

ChupaCarter and the Screaming Sombrero

By Ryan Calejo, Santy Gutierrez, George Lopez

Average: 0.00, 0 Ratings

Carlitos Hernandez y la Liga de Las Sombras

By Ryan Calejo

Average: 0.00, 0 Ratings

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.