On August 12, 2009, the five issues were collected into a 136-page graphic novel.

Those four issues were then collected into a single graphic novel in 1997.

The 55 issues have been collected into the following volumes.

The first eight issues have been collected in trade paperback.

After every issue had been collected, you would have 26 letter blocks.

The three issues were also collected and published as a trade paperback.

The three issues were collected as a trade paperback in October 2008.

The issues from both series were collected in two trade paperback volumes.

The first five issues of the series were collected in a trade paperback.

The first six issues were later collected in Trade paperback.