The case of the most ancient bone

Series: Hank the Cowdog

• The original adventures of Hank the Cowdog (Volume 1.)

• The further adventures of Hank the Cowdog (Volume 2.)

• It's a dog's life (Volume 3.)

• Murder in the middle pasture (Volume 4.)

• Faded love (Volume 5.)

• Let sleeping dogs lie (Volume 6.)

• The curse of the incredible priceless corncob (Volume 7.)

• The case of the one-eyed killer stud horse (Volume 8.)

• The case of the Halloween ghost (Volume 9.)

• Every dog has his day (Volume 10.)

• Lost in the dark unchanted forest (Volume 11.)

• The case of the fiddle-playing fox (Volume 12.)

• The wounded buzzard on Christmas Eve (Volume 13.)

• Hank the cowdog and monkey business (Volume 14.)

• The case of the missing cat (Volume 15.)

• Lost in the blinded blizzard (Volume 16.)

• The case of the car-barkaholic dog (Volume 17.)

• The case of the hooking bull (Volume 18.)

• The case of the midnight rustler (Volume 19.)

• The phantom in the mirror (Volume 20.)

• The case of the vampire cat (Volume 21.)

• The case of the double bumblebee sting (Volume 22.)

• Moonlight madness (Volume 23.)

• The case of the black-hooded hangmans (Volume 24.)

• The case of the swirling killer tornado (Volume 25.)

• The case of the kidnapped collie (Volume 26.)

• The case of the night-stalking bone monster (Volume 27.)

• The mopwater files (Volume 28.)

• The case of the vampire vacuum sweeper (Volume 29.)

• The case of the haystack kitties (Volume 30.)

• The case of the vanishing fishhook (Volume 31.)

• The garbage monster from outer space (Volume 32.)

• The case of the measled cowboy (Volume 33.)

• Slim's goodbye (Volume 34.)

• The case of the saddle house robbery (Volume 35.)

• The case of the raging rottweiler (Volume 36.)

• The case of the deadly ha-ha game (Volume 37.)

• The fling (Volume 38.)

• The secret laundry monster files (Volume 39.)

• The case of the missing bird dog (Volume 40.)

• The case of the shipwrecked tree (Volume 41.)

• The case of the burrowing robot (Volume 42.)

• The case of the twisted kitty (Volume 43.)

• The dungeon of doom (Volume 44.)

• The case of the falling sky (Volume 45.)

• The case of the tricky trap (Volume 46.)

• The case of the tender cheeping chickies (Volume 47.)

• The case of the monkey burglar (Volume 48.)

• The case of the booby-trapped pickup (Volume 49.)

• The case of the most ancient bone (Volume 50.)

• The case of the blazing sky (Volume 51.)

• The quest for the Great White Quail (Volume 52.)

• Drover's secret life (Volume 53.)

• The case of the dinosaur birds (Volume 54.)

• The case of the secret weapon (Volume 55.)

• The case of the coyote invasion (Volume 56.)

• The disappearance of Drover (Volume 57.)

• The case of the mysterious voice (Volume 58.)

• The case of the perfect dog (Volume 59.)

• The big question (Volume 60.)

• The case of the prowling bear (Volume 61.)

• The Ghost of Rabbits Past (Volume 62.)

• The return of the Charlie Monsters (Volume 63.)

• The case of the three rings (Volume 64.)

• The almost last roundup (Volume 65.)

• The Christmas turkey disaster (Volume 66.)

• Wagons West (Volume 67.)

• The secret pledge (Volume 68.)

• The case of the wandering goats (Volume 69.)

• The case of the troublesome lady (Volume 70.)

• The case of the monster fire (Volume 71.)

• The case of the three-toed tree sloth (Volume 72.)

• The case of the buried deer (Volume 73.)

• The frozen rodeo (Volume 74.)