Bolo Mark XXXIII in the vanguard strikes against the planet Caern. The enemy is the Aetryx, unknown beings who enslave other species by promising them immortality. Colonel Jon Steicher and his men and Bolos soon find themselves stranded in the hellfire of battle as Bolo battles Bolo-human hybrid. But then they uncover a secret: what if the Aetryx are literal gods who can make good on their promise of eternal life?

Bolo Strike 2002, Baen Books

ISBN-13: 9780743435666

Mass-market paperback

Bolo Strike 2001, Baen Books

ISBN-13: 9780671318352