1001 Ideas That Changed the Way We Think
Robert Arp
Modern TRIZ: A Practical Course With EASyTRIZ Technology
Michael A. Orloff
Language Testing and Validation: An Evidence-Based Approach
Cyril Weir
Grammar in Use
Raymond Murphy
Preludes to Pragmatism: Toward a Reconstruction of Philosophy
Philip Kitcher
The Rosicrucian Mysteries
Max Heindel
Democracy and Education
John Dewey