Ray E. Prescher Books

National Plumbing And HVAC Estimator, 1993

By Ray E. Prescher, Prescher, Ray E.

Average: 0.00, 0 Ratings

National Plumbing &Amp; Hvac Estimator: 1995 Cost Guide

By Ray E. Prescher, Prescher, Ray E.

Average: 0.00, 0 Ratings

1997 National Plumbing & Hvac Estimator

By Ray E. Prescher, Prescher, Ray E, Kiley, Martin D, Allyn, Marques

Average: 0.00, 0 Ratings

348 pages : 28 cm +

Plumbing & Hvac Manhour Estimates: A Guide To Competitive Bidding

By Ray E. Prescher

Average: 0.00, 0 Ratings

hundreds Of Tested And Proven Manhours For Installing Just About Any Plumbing And Hvac Component You're Likely To Use In Residential, Commercial, And Industrial Work. You'll Find Manhours For Insta...

1998 National Plumbing And Hvac Estimator

By Ray E. Prescher

Average: 0.00, 0 Ratings

If you have contractors in your store looking for quick, reliable square foot costs based on the type of building and what it's made of, steer them to the National Building Cost Manual. It's probab...

1996 National Plumbing And Hvac Estimator/Disk (National Plumbing & Hvac Estimator (W/Cd))

By Ray E. Prescher

Average: 0.00, 0 Ratings

1994 National Plumbing & Hvac Estimator/Book And Disk

By Ray E. Prescher

Average: 0.00, 0 Ratings

346 p. : 28 cm Estimating disk (5 1/4") included in back pocket Includes index

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.