Calculus Made Easy
Martin Gardner & Silvanus P. Thompson
The New Capitalists
Mortimer Jerome Adler & Louis O. Kelso
Schauberger's engine
Maxim Kolychev
Improving Literacy by Teaching Morphemes
Terezinha Nunes & Peter Bryant
Improving Learning (1)
Knowledge Is Beautiful
David McCandless
Runes and the Origins of Writing
Alain de Benoist