What DS9 Re-Launch books are optional?

[Christopher]

They are indeed on the DVD.

 

[Turtletrekker]

Shouldn't they also be included on the Complete Comic Collection DVD?

They are indeed on the DVD.

D'OH! I forgot about the DVD. The DVD drive in my computer died just days after I got the disk, so I only have had the chance to read a few and then forgot all about it.