French aviator, poet and war hero Antoine de Saint-Exupery's "The Little Prince" is said to have sold more than 200 million copies in 450 different translations since it was first published in 1943.
Much of the story hinges around the mysterious star-travelling prince's relationship with a rose – delicate and demanding – that he has been tending on his home planet.
Saint-Exupery's real-life rose was Consuelo Suncin, a Salvadoran artist who cut a swathe through high society in Latin America and beyond before marrying him in 1930.
Now, more than 160 of their letters and telegrams are being published in France on Thursday, adorned with dozens of their sketches, photographs and other mementos.
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