Discrete Mathematical Structures
Bernard Kolman & Robert C. Busby & Sharon Cutler Ross & Robert C Busby
Philosophy: 100 Essential Thinkers
Philip Stokes
The Geometer's Sketchpad, Grades 3-5, Exploring Number and Operations
Key Curriculum & McGraw-Hill Education
The Principia: Mathematical Principles of Natural Philosophy
Isaac Newton
Catastrophe Theory and Its Applications
Ian Stewart & Tim Poston
The Bourne Supremacy
Robert Ludlum