Published in 1981, this copy is the seventh impression of Thirteen Problems, first published in 1932 by William Collins Sons & Co Ltd and first issues in Fontana Books in 1965. In America it was published as The Tuesday Club Murders.
The problems posed widely:
from brutal murder by poisoning to the mysterious disappearance of gold bars from a galleon...
from a hideously bloodstained pavement to a violent and supernatural death...a
nd from the crime that had not yet been committed to the theif who committed his crime twice..