The most common and most likely answer to this crossword clue is the 5 letter word MANGA
I've seen this crossword clue in The Times
M
A
N
G
A
More clues leading to the result MANGA
Buddy explains!
The straight part
We know that "Comic book" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case comic book = manga.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MANGA mean?
MANGA noun- A comic originating in Japan.
- An artistic style heavily used in, and associated with, Japanese comics, and that has also been adopted by a comparatively low number of comics from other countries.
- A comic in manga style, regardless of the country of origin.
- A covering for a crucifix.