Bone. Volume 5. Flint, Master of the Eastern Border

Escorting the baby rat creatures into the mountains, Fone Bone and Smiley Bone encounter a clever and powerful mountain lion named Flint.
Flint calls himself the master of the eastern border and is not very fond of uninvited guests in his territory.

Everything becomes even more complicated when our heroes find the ruins of an ancient temple.

Don't miss the previous four books