Stacy T. Sims Books

Roar

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"Women are not small men. Stop eating and training like one. Because most nutrition products and training plans are designed for men, it's no wonder that so many female athletes struggle to reach t...

ROAR, Revised Edition

By Stacy T. Sims, Selene Yeager

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The groundbreaking book that revolutionized exercise nutrition and performance for female athletes, now freshly updatedWomen are not small men. Stop eating and training like one.In ROAR, exercise p...

Next Level

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A comprehensive, physiology-based guide to peak performance for active women approaching or experiencing menopause—from the author of Roar, renowned exercise and nutrition scientist Dr. Stacy SimsF...

Next Level

By Stacy T. Sims PhD With Selene Yeager

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A comprehensive, physiology-based guide to peak performance for active women approaching or experiencing menopause—from the author of Roar, renowned exercise and nutrition scientist Dr. Stacy...

ROAR

By Stacy T. Sims PhD

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“Dr. Sims realizes that female athletes are different than male athletes and you can’t set your race schedule around your monthly cycle. ROAR will help every athlete understand what is...

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.