Problems on Partial Differential Equations
Maciej Borodzik & Paweł Goldstein & Piotr Rybka & Anna Zatorska-Goldstein
Problem Books in Mathematics (1)
The Age of Alternative Logics: Assessing Philosophy of Logic ...
Johan Van Benthem & Gerhard Heinzmann & Manuel Rebuschi & Henk Visser
A Treatise on White Magic: The Way of the Disciple
Djwhal Khul & Alice A. Bailey
Extracts From Adam's Diary, Translated From the Original Ms., ...
Mark Twain
Mathematical Problems From Applied Logic II: Logics for the ...
Dov M. Gabbay & Michael Zakharyaschev & Sergei Goncharov
The Free Energy Secrets of Cold Electricity
Peter A. Lindemann