Twins Ben and Zoe are recruited by their mysterious uncle Dr. Stephen Fisher, a famous zoologist, to rescue a Sumatran tiger from poachers.

The third novel starring Montana's fly fisherman-cum-detective Sean Stranahan, for fans of C. J. Box and Craig Johnson Wolves howl as a riderless horse returns

Ben and Zoe must brave sub-zero temperatures and treacherous slopes to find two lost snow leopards.

Ben and Zoe, WILD's top operatives, are sent to Alaska to find an orphaned polar bear cub. Will Ben and Zoe be able to find the lost cub in time?

In the jungles of South Borneo, an orangutan has set up home on a dangerous palm oil plantation. But it quickly becomes clear that the orangutan isn't the only