The Lost Legend (Green Ember Lost Tales, #2)

Heather and Picket must protect their precious charge in the forbidding wilderness, then return to face off against the crystal key conspirators. Intrepid detective Fiona Black looks for clues to unlock an ancient mystery’s connection to the present. Helmer, Jo, and the faithful heroes of the cause all fight on as rabbitkind’s resistance teeters on the edge of collapse.