The elderly librarian left all three, just in case.
The 'On the Missing Dragonstones' book had very long, very vivid tales and rumours and sayings about the lost Dragonstones.
Somewhere in the middle of the book, they found entry on Tiger's Eye. It was quite verbose, with descriptions of family members and their deeds appearing more often than mentions on Tigery's Eye. In short, the tale went as this:
'Latzenhommer family was a family of proud Deynastian cavaliers and paladins, who lived in prosperity and fame for centuries, yet they were one of the first families to break the vows of honour and follow General Menelos to form Menelea.
The family was strong and influential until the year 467, when Count Edwin Latzenhommer and his three sons all went to battle the Berebians at Loras Plateau. The battle, whilst being a decisive victory for Meneleans, saw the death of Count Edwin and his youngest son, Renault.
Shortly afterwards, the eldest of sons, Reinche, was killed during a Berebian ambush, whilst the middle son abandoned his troops and ran into the forests south of Fezzan, never to be heard from again.
It is unknown who was the last to possess Tiger's Eye, or where it is now. It might be in Berebian hands, or in a grave of a Latzenhommer family member. Some of rumors claim that Dalin, the middle son of Edwin, who ran into the forest, settled down under new name in village of Kasteia, or Kallachia, or Chalche, or Zalchia, or similarily sounding village near Fezzan.
With all four males of Latzenhommer family dead, Countess Karla, wife of late Count Edwin turned to alcohol and fell into depression, and took her own life with poison during a cold winter night in 468. As Count Edwin had no brothers, the family history ends there.
That's all about Tiger's Eye.'