Ignition: An Informal History of Liquid Rocket Propellants
John D. Clark
Hypercomplex Numbers: An Elementary Introduction to Algebras
I. L. Kantor & A. S. Solodovnikov
Writing a Simple Operating System from Scratch
Nick Blundell
Syrianus: On Aristotle Metaphysics 13-14
Syrianus, ,O'Meara, Dominic J,Dillon, John
Life 3.0
Max Tegmark