The jacket flap promises that this book begins a new series, so we may hope for adventures in future volumes.

No further announcements were made regarding any future volumes.

It is a continuing series of all new stories with future volumes in production.

That story is for a future volume of Robert Caro's biography.

A future volume will include the papers of the Troy conference.

The first book in the series, The Western, had laid out the complete plans for all future volumes.

But future volumes are expected to exceed the that system's capacity, requiring an additional pipeline.

Those who died subsequently were added in future volumes in a period arrangement.

Several future volumes of Xanth history had already been written?

That's where you leave doors open for future volumes.