Sergio Olguín was born in Buenos Aires in 1967 and was a journalist before turning to fiction. Olguín has won a number of awards, among others the Premio Tusquets 2009 for his novel Oscura monótona sangre ("Dark Monotonous Blood") His books have been translated into German, French and Italian. The Veronica Rosenthal series (The Best Enemy, There Are No Happy Loves, The Fragility of Bodies and The Foreign Girls) are his first novels to be translated into English.