Cover of The Glass Box

The Glass Box

Narrated by Stephen Graybill

Released
October 27, 2026
Length
9 hrs 17 mins
Format
Unabridged Audiobook
Publisher
HarperOne
"The Glass Box" is an investigative and engaging examination of the rise of CrossFit, one of the most popular and polarizing fitness movements worldwide, and its founder, Greg Glassman. Written by veteran journalist Calum Marsh, the book explores the program’s rapid expansion from a Santa Cruz startup to a global phenomenon, while also critically analyzing its culture and leadership. Through a detailed history and keen insights, it reveals how ambition and controversy have shaped the brand’s trajectory.

RecentAudiobook tracks Calum Marsh and over 144,000 other authors for new releases.

Follow the authors you love and hear about every new audiobook the day it lands.