Originally Posted by
Lobo
Fragments has 5 volume novels (already finish), with 5 drama cds (currently releasing). The drama cds rearrange the novel events in chronological order and come with new short stories.
The second half of vol 3 and all of vols. 4 and 5 are completely translated, vol 1 and so on foward are currently under translation to catch up. The drama cd short stories for the first cd are translated, the ones for the second you have to wait for PhoenixRising (the only translator for this project) next update (dunno how busy she is, so dunno when that'll be, so just give her time)
If you are asking how many material this novels/cds give for a proper prototype full adaptation (of any media), there is plenty: some scenes happen during the prototype war and the ending of fragments tie sufficient material together to let a solid base for its sequel (proto)