Transitions (Stargate SG-1, #18)

Recently promoted to the rank of General, Jack O'Neill is getting used to his new position at the SGC when disaster strikes. Cassandra Fraiser, the adopted daughter of the late Dr Janet Fraiser, has been kidnapped by forces unknown. Meanwhile, Daniel Jackson receives a demand: translate a mysterious document or Cassie will be killed. Determined not to give into the kidnappers, Colonel Samantha Carter gathers her team together for one last mission - save Cassandra.