"Yes, and that is the most puzzling feature of the matter, perhaps your uncle offers a substitute?"

According to her theory this relic possesses unusual and puzzling features.

But the most disappointing and puzzling feature of "Out for Good" is its authors' decision to end their story in 1987.

The most puzzling features of these conditions are explained by this novel theory.

The most puzzling feature of Varno's tricks was why he was doing them at all.

First, however, there is a page of pencilled notes of much interest but with various puzzling features.

The only puzzling feature was the rotational period of the planet: exactly six Earth months.

This in turn points to another puzzling feature of the French.

The evidence is quite good, but not conclusive, and there are some puzzling features, to be discussed in the later trials.

But the most puzzling feature of the container was the method used to enter and leave it.