"Simply curious as to what an 'offworlder' might have heard of the topic."

None of them seemed to be frightened, they were all simply curious.

I was simply curious, and excited to uncover the facts.

Or should it also include the humble, the picturesque, the simply curious?

There are also those who are simply curious after having read all the publicity.

Observed from a canoe, most animals are either oblivious or simply curious.

Some people are simply curious; others are looking for decorating ideas.

He saw at a glance that she wasn't hurt, not even annoyed, but simply curious.

"But I was simply curious and did not force anyone else to read it."

I am simply curious; it is one of my many vices.