Peter Lerangis Books

A high school drama club on Long Island stages a controversial play written by a fellow classmate that puts their faculty advisor's career in jeopardy.

Summer Love

By Peter Lerangis

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During a summer stock production of "West Side Story," starring a popular young television star, tensions mount both on and off the stage between members of Long Island's Ridgeport High School Dram...

A kid's guide to New York City

By Peter Lerangis

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Describes things to see and do in one of America's most exciting cities. Includes puzzles, games, and trivia.

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.