Which book would provide the MOST information for someone researching sabre-tooth tigers?

Responses
A A Guide to Veterinary MedicineA Guide to Veterinary Medicine
B Fascinating Facts About CavemenFascinating Facts About Cavemen
C Dental Hygiene for Domestic AnimalsDental Hygiene for Domestic Animals
D An Evolutionary Guide to Animal SpeciesAn Evolutionary Guide to Animal Species

D An Evolutionary Guide to Animal Species