Anyone seen Jodie Foster and Richard Gere in Sommersby? Or the original Return of Martin Guerre with the inimitable Gerard Depardieu?

Unusually enough, the ultimate source of the story of both films is a non-fiction book by historian Natalie Zemon Davis…….who was very nearly stymied by J. Edgar Hoover‘s FBI before discovering a way round the problem………

How the FBI Turned Me On to Rare Books by Natalie Zemon Davis | NYRblog | The New York Review of Books.