Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: This series just keeps getting better and better.

The 6th book in the series continues to delight. An ancient planet, an ancient tomb, a discovery that some would kill to keep buried, one that may ultimately rock the very foundation of the Cooperative League of Planets. In this installment the original heroine of the StarBridge series Ambassador Marhee Burroughs returns. A murder must be solved, a killer must be found and discoveries that will change her life will be uncovered. Will these discoveries lead to the lost tribe of the Mizari? Find out now; don't wait, for this story will surly be one you will remember. A SF story that will intrigue and delight the reader in more ways than on.