Graphs, Networks and Algorithms 3rd ed
Dieter Jungnickel
The moon is a harsh mistress
Robert A. Heinlein
Virtue Ethics and Consequentialism in Early Chinese Philosophy
Bryan William van Norden
Who Goes There?
John W. Campbell
A Wrinkle In Time
Madeleine L'Engle
Problems on Partial Differential Equations
Maciej Borodzik & Paweł Goldstein & Piotr Rybka & Anna Zatorska-Goldstein
Problem Books in Mathematics (1)
Solving Problems in Mathematical Analysis, Part I
Tomasz Radożycki
Solving Problems in Mathematical Analysis, Part II
Problem Books in Mathematics (2)