Google Search Operators
MakeUseOf
Algorithms and Complexity
Herbert S. Wilf
Corpus Stylistics in Heart of Darkness and Its Italian Translations
Lorenzo Mastropierro
The Encyclopedia of Demons and Demonology
Rosemary Ellen Guiley
Introduction to Riemann Surfaces
George Springer
Cunningham's Encyclopedia of Wicca in the Kitchen
Scott Cunningham
Cunningham's Encyclopedia (3)