Charles Bronson, described as “Britain’s most feared and dangerous convict”, has received rave reviews for his solitary workout book after becoming an unlikely fitness influencer.The infamous prisoner launched his own brand of fitness supplements in 2018, which has since become extremely popular.The book "Solitary Fitness" explains how to do exercises alone without any equipment, and has been very well received on Amazon.With lockdown still forcing many people to stay at home, and gyms not due to reopen for several weeks, the 2002 book fills a clear niche in fitness during Covid.One reviewer wrote: “Love this book.
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