London ( CNN ) -- The bestselling erotic novel `` Fifty Shades of Grey '' may have done more than spice up readers ' love lives . Firefighters in London say it could be to blame for a rise in the emergency calls from people stuck in all kinds of awkward situations -- some involving handcuffs . Read more : Explaining 'Fifty Shades ' wild success . The wildly-popular trilogy details the S & M-flavored love story of a recent college grad and a billionaire CEO . It 's also credited with boosting sales of sex toys , driving women to hook-up sites and fueling a craze over sexual domination . So , it 's not surprising there would be a downside . In the past three years , London 's fire crews have been called to 79 incidents involving people trapped in handcuffs . `` I do n't know whether it 's the Fifty Shades effect , but the number of incidents involving items like handcuffs seems to have gone up , '' said Third Officer Dave Brown . `` I 'm sure most people will be Fifty Shades of red by the time our crews arrive to free them . '' Such red-faced moments are among more than 1,300 calls involving people being trapped `` often in everyday household items '' since 2010 , the fire service said . Such calls are not just awkward ; they end up costing the taxpayer . London Fire Brigade puts the cost of these 1,300 calls at Â£377,000 ( $ 580,000 . ) But it 's not just London where E L James ' erotic fiction has been making an impact . Virginia Representative Jim Moran said the trilogy is a hit in a camp housing high-value detainees within the Guantanamo Bay prison complex . `` Rather than the Quran , the book that is requested most by the ( high-value detainees ) is Fifty Shades of Grey . They 've read the entire series in English , but we were willing to translate it , '' he said in an interview with The Huffington Post . The insight into the prisoners ' reading habits was provided by military officials showing a congressional delegation around Camp Seven , the Democrat said . `` I guess there 's not much going on , these guys are going nowhere , so what the hell , '' he is quoted as saying . The trilogy has sold more than 32 million copies in the United States alone since the first installment was published in 2011 . With a film version due for release next year , London 's firefighters may have to respond to many more calls . So , the fire brigade has a word of advice to offer : Use a little common sense . And if you try handcuffs , always keep the keys handy .
` ` Fifty Shades '' will be behind bars in incidents involving prisoners , " firefighters say . The city 's firefighters have been called to 79 handcuff incidents in the past three years . A former congressman says prisoners in Guantanamo are also fans .