Answer: serially

AnswerCrossword Clue
SERIALLY

How Dickens' novels were first published

SERIALLY

Running in installments.

SERIALLY

Appearing in installments.

SERIALLY
In installments.
SERIALLYIn installments
SERIALLY
In regular installments
SERIALLYIn succession
SERIALLYIn sequence
SERIALLYOne after another