Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: I once loved Alex Cross books

I am utterly appalled at how far the Alex Cross series fell with this one. "Pop Goes the Weasel" was a retread but this one was absolutely just mailed in. And the ending is not only a cliffhanger but a cheap one at that. The identity of the killer is completely out of left field and totally unimaginative. Who's gonna be the next villain? Nana Mama?And not only that, more Cross family members and/or love interests get killed, mortally ill, or injured. It couldn't possibly happen on EVERY case, ...