Stewart Smith Books

Warrior Workouts, Volume 2

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Warrior Workouts gets you into the best shape of your life—the way the professionals do it. Warrior Workouts, Volume 2 features over 100 all-new workouts designed to simulate the year-long p...

Warrior Workouts, Volume 3

By Stewart Smith

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Get fit now with these awesome collections of workouts designed by a Navy SEAL for maximum fitness, strength, endurance and total conditioning."Pain is weakness leaving the body" say the Navy SEALs...

101 Best Pyramid Training Workouts

By Stewart Smith

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The ultimate workout challenge!Combining the best of high intensity workouts with an escalating rep scheme, pyramid workouts give a whole new meaning to the word “grueling.” Pyramid wor...

Get Fit Now For High School Football Get Fit Now for High School Sports

By Chris Johnson, Stewart Smith

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The Complete Guide to Navy SEAL Fitness

By Stewart Lt Usn Smith, Stewart Smith

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The Navy SEAL Weight Training Workout

By Stewart Smith

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Add weights to your NAVY SEAL Training prep!The Navy SEAL Weight Training Workout is an effective weight lifting program designed to maintain muscle growth and avoid over-training in high-repetit...

Tactical Fitness

By Stewart Smith

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Achieve the same gold-standard of fitness upheld by Special Ops with this unique strength and conditioning program created by a former Navy SEAL.A year-long day-by-day essential training and workou...

Introductory Bioelectronics: For Engineers and Physical Scientists

By Ronald R. Pethig, Stewart Smith

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Sudoku Without the Pencil

By Stewart Smith

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The Navy SEAL Weight Training Workout

By Stewart Smith

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Add weights to your NAVY SEAL Training prep!The Navy SEAL Weight Training Workout is an effective weight lifting program designed to maintain muscle growth and avoid over-training in high-repetitio...

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.