A Fighter's Heart: One Man's Journey Through the World of Fighting

Sam Sheridan’s "A Fighter’s Heart" isn’t just a book about fighting — it’s a meditation on why people fight. Trained at Harvard, Sheridan could have lived a comfortable, conventional life. Instead, he plunged headlong into the world’s fight culture — boxing in Thailand, wrestling in Iowa, training with Brazilian jiu-jitsu legends, and learning the spiritual discipline of capoeira. What emerges is not a simple travelogue, but a layered exploration of fear, courage, and the human drive to test limits.

Sheridan writes with both toughness and tenderness. His prose is stripped down and unsentimental, yet deeply observant. He captures the stench, exhaustion, and adrenaline of combat gyms as vividly as the quiet introspection that show more comes after a loss. The book’s strength lies in Sheridan’s willingness to be humbled — he never postures as a hero. Instead, he’s a student of the fight, absorbing lessons from those who live closer to the bone: the journeyman boxers, Muay Thai fighters, and MMA pioneers who’ve staked their lives on the mat.

Philosophically, the book circles around a haunting question: What does it mean to have heart? In fight culture, “heart” is more than toughness — it’s the fusion of courage, endurance, and a kind of spiritual clarity born in violence. Sheridan dissects this idea with honesty, tracing how combat becomes a mirror for one’s own fears and character.

For readers, "A Fighter’s Heart" is part memoir, part ethnography, and part existential inquiry. It will resonate not just with fighters or fans of mixed martial arts, but with anyone drawn to the edges of human experience — those fascinated by what happens when comfort is stripped away and instinct takes over.

In short: it’s not a book about winning fights. It’s a book about becoming whole through struggle. show less

A Fighter's Heart is a memoir about fighting in competitive martial arts. It's about actually fighting in a ring or a cage, not just practicing katas or sets or working out in a school. That's part of the book too, but Sheridan is interested in exploring what makes a fighter a good fighter. Deep down, under all the fighting stuff, this is also a book about masculine psychology. It's a little bit of philosophy, a little bit of travel writing, fitness and diet, and some history regarding the recent evolution of organized fights. All these topics are integrated very well. Sheridan is an excellent writer and I found the book to be very engaging. It made me think quite a bit about violence and human evolution. I practiced a martial art for show more eight years during and after my college years but I never fought in a match. Part of me has always wanted to and for the same reasons Sheridan does and I was able to identify with his quest to test himself. Sheridan wants to know if he can hack it. If he can show gameness or not.
In the last twenty years or so, MMA has exploded as has the BJJ ground game and Sheridan gets into the specifics of how that came about. He spends a lot of time interviewing coaches and other fighters while he is fighting and training with them at their various gyms and venues. The book follows him through Muay Thai Camp, MMA wrestling in Iowa, BJJ training in Brazil, Pride in Japan, Boxing in Oakland, CA, Tai Chi Chaun in New York, dog fights in the US and the Philippines, meditation back in Thailand (and more Muay Thai) and then stunt fighting for Hollywood movies. The similarities between all the fighting arts is fascinating to compare. Sam is writing from a journalist point of view but he is actually training and fighting through out the whole book. If you are interested in exploring the topic of violence then this is a great read. If you practice martial arts, especially if you do cage or ring fighting, then this book might be an interesting read too. I look forward to reading his second book, A Fighter's Mind. show less

I will start with a confession - I got strange looks from people on the bus whilst reading this book, I suspect due to the cover photograph of a gruesomely bleeding fighter. I suspect the photo is of Sheridan himself, as he admits to being a bit of a bleeder in the book.

I now have another confession. I really enjoyed this book, and have already recommended it to friends. Sheridan writes well, and paints word pictures about the experience of fighting, which is a challenging concept to get across in print. He also makes me interested in the process of fighting and learning to fight - so much so that I regretted when the book ended.

Interestingly, one of the more moving chapters was the one on fighting dogs. Sheridan managed to throw light show more on the business of dog fighters and the experience of the dogs themselves, in a way that, even with the Michael Vick dog fighting scandal of 2007, I have never seen.

For anyone who is a fan of MMA, Thai kickboxing, or boxing, this is a fascinating peek under the tent at a world that most of us only experience on television. Highly recommended. show less

It's hard to describe that feeling... that feeling that drives you to try to prove something. Sam Sheridan does a good job in A Fighter's Heart. Reading as much like a travelogue as a "journey into the world of fighting", Sheridan takes his reader from Harvard to Thailand to Brazil and places in between detailing the local cultures, scenery, and the people in each location just as well as he details any fights. I took some issue with the chapter on dogfighting. I know that it is woven into the fabric of fight culture in Brazil - from Filho's tattoos to Shogun's pet pits - it's there. Are there better ways to illustrate the concept of "gameness"? Quite likely - but it didn't detract from my enjoyment of the book.

I loved this book. I felt like I was reading a book about what I could have done. Sheridan’s will to fight was intriguing. I found myself captivated by the experiences, won over (in most parts) by the explanations, and wishing I had a sparring partner to try the ideas out on.

The writing was simple and easy to read. I liked how he cited many other books about fighting (in various styles). It was fun going through his experiences and discovering what would happen next. I kept forgetting about his nagging injury until he was finally, and painfully I might add, reminded of it himself.

I found it fascinating that he did all of this at my age. I find it very intriguing that he’s still trying to do a little of it at 30-31 years old. I show more think this was an inspirational book for me, or perhaps I mean re-inspiring. This was a great book for anyone interested in learning about the world of professional fighting. Sheridan’s honesty and frank assessments of others is very entertaining. In retrospect (2011 looking back) he definitely had the correct vision for where MMA was headed. show less

I agree with the reviews that say this book needed an editor. Ideas are repeated just a few pages apart in paragraphs worded slightly differently.

Sheridan offers a lot of insight about mixed martial arts training and fighting. Some chapters are a little too long, and I lost interest in the Brazilian jiujitsu and boxing chapters.

I think it's hard to follow if you've never trained in martial arts. He goes into detail about a lot of different styles and their histories. I enjoyed the chapter about Muay Thai, largely because I have trained at the Fairtex camp he describes. I also found the dogfighting chapter interesting. (Not because I support dogfighting.)

Midway through, he starts talking about wanting to fight barefisted in Myanmar, so I show more expected that to be the big finale. But it never happens. I don't think the book necessarily would have been better if Sheridan had fought more, but I wish he'd structured it so that it had a more satisfying ending. show less

first half is really good, the mma stuff is interesting, but gets bogged down toward the end with the boxing.