Stargate SG-1 ROC Series by Ashley McConnell

Colonel Jack O'Neill lives in retirement, one year after his interplanetary expedition to Abydos. But when a hostile force of aliens resembling the late Ra and his Chulakins invades Earth through the Stargate and kidnaps a female officer, O'Neill is called back to duty to lead a platoon back through the Stargate and eliminate this new threat... moreColonel Jack O'Neill lives in retirement, one year after his interplanetary expedition to Abydos. But when a hostile force of aliens resembling the late Ra and his Chulakins invades Earth through the Stargate and kidnaps a female officer, O'Neill is called back to duty to lead a platoon back through the Stargate and eliminate this new threat. Back in Abydos, O'Neill is reunited with Egyptologist Daniel Jackson to help the team determine from which world through the Stargate this new danger originated from. less

Colonel Jack O'Neill and his SG-1 team find themselves stranded on a primitive world where the inhabitants pay homage to the Goa'uld by providing their best specimens as host bodies for their young.

Based on one of the Sci Fi Channel's most popular shows--Book three in the series! Colonel Jack O'Neill and his SG-1 team are about to show a reporter who has violated the security of the Stargate base that the success of this project will not be jeopardized for the sake of a headline-and that the truth can be far more dangerous than any outsider could ever imagine.

Based on one of the SciFi channel's most popular shows On the world of P4V-837, the SG-1 team encounters a race of friendly natives. But the team begins experiencing hallucinations that grow darker with the passing hours-and become unwilling participants in a brutal conflict in which their subconscious minds have become the deadliest weapons of all.