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There's the new treecat adoptee who needs to be kept from becoming a risk to the carefully guarded secret of just how smart the arboreal inhabitants of Sphinx really are.

There's the overeager journalist whose campaign to protect the treecats from exploitation as the newest, coolest pet on any planet could threaten the very creatures he seeks to defend.

And there's the mysterious rash of weird accidents that are plaguing Sphinx's younger inhabitants—including some of those nearest and dearest...