Journalist Calum Marsh discusses his new book, 'The Glass Box'

NPR | By A Martínez

Published October 26, 2026 at 4:42 AM EDT

NPR's A Martinez speaks with journalist Calum Marsh about his new book, "The Glass Box: The Shocking True History of How CrossFit Broke the Rules, Made Millions, and Changed Fitness Forever."

Related Content

What makes a good spine-tingler? Stephen Graham Jones says it's all in the ending

Ryan Benk, Ayesha Rascoe

Horror writer Stephen Graham Jones says horror's current moment is powered by more than just fear.
In this new kids' book, it's 'Snow Geese Season' for a little boy and his Pop

Samantha Balaban

Every fall, snow geese migrating south stop in Vermont and cover the ground in a snowy white blanket. Now, a new picture book celebrates that real-life awe-inspiring event.
Susanna Clarke discusses her book 'The Bishop of Durham Attempts to Surrender the City'

Scott Simon

NPR's Scott Simon speaks with Susanna Clarke about, "The Bishop of Durham Attempts to Surrender the City," an illustrated story set in the world of her earlier novel, "Jonathan Strange & Mr. Norrell."
The lingering legacies of 'The Sun Also Rises' 100 years on

Andrew Limbong

Ernest Hemingway's debut novel, about lost and wayward young people after World War I, turned 100 this week. We look at its legacy and how the book has aged.
A new essay collection lets teenage mothers in Kenya tell their stories

In 2025, Kenya recorded more than 235,000 teenage pregnancies. Young single mothers are often forced to leave schools and their families due to overwhelming stigma.

You make NHPR possible.

NHPR is nonprofit and independent. We rely on readers like you to support the local, national, and international coverage on this website. Your support makes this news available to everyone.

Give today. A monthly donation of $5 makes a real difference.