Keith J. Devlin
The Millenium Problems: The Seven Greatest Unsolved Mathematical Puzzles of Our Time
See also Millenium Prize Problems by Clay Mathematics Institute
Keith J. Devlin The Language of Mathematics: Making the Invisible Visible
Keith J. Devlin Mathematics: The New Golden Age
Keith J. Devlin Mathematics: The Science of Patterns: The Search for Order in Life, Mind and the Universe (Scientific American Library, No 52)
Donald J. Albers, Gerald L. Alexanderson (Editors) Mathematical People: Profiles and Interviews
Donald J. Albers, Gerald L. Alexanderson, Constance Reid (Editors) More Mathematical People: Contemporary Conversations
Dover Books
Princeton Science Library
Martin Gardner Books
Richard P. Feynman Books
George Gamow Books
Stephen Hawking Books
Roger Penrose Books
H. S. M. Coxeter Books
Lewis Carroll Books
Kolmogorov Books
Kolmogorov Library Project
http://kolmogorov.com/
