Robert Spiller

Besides being a master of space and time, Robert Spiller is the author of the Bonnie Pinkwater mystery series: The Witch of Agnesi, A Calculated Demise, Irrational Numbers, Radical Equations. and Napier’s Bones. His math teacher/sleuth uses mathematics and her knowledge of historic mathematicians to solve murders in the small Colorado town of East Plains. A retired mathematician, Robert lives in Colorado Springs, Colorado with his wife Barbara.