The third installment of the adventures of Captain Jonah Halberd, Royal Navy of the Interplanetary Commonwealth. Join Captain Halberd in the Commonwealth's fight against a new enemy. Readers have said of the earlier books: "Great read of science fiction", '"The story really flows and anybody who loves sci-fi naval action in space will certainly enjoy this story" and "The two books (Halberd 1 & 2) are very well written"