Encyclopedia of Applied Physics, 12 Volume Set
George L. Trigg
Elaine Pagels, The Gospel Truth (A Modern Day Gnostic)
Elaine Pagels & Diane Rogers
Nikola Tesla
Wikipedia
Problems and Solutions in Theoretical and Mathematical Physics
W.-H. Steeb
Encyclopedia of the Wars of the Roses
John A. Wagner
Handbook of Educational Data Mining
Cristobal Romero & Sebastian Ventura & Mykola Pechenizkiy & Ryan S. J. D. Baker