Mathematical Delights
Ross Honsberger
Power Excel with MrExcel - 2017 Edition
Bill Jelen
18 Unconventional Essays on the Nature of Mathematics
Reuben Hersh
The Oxford Handbook of Ethics of AI
Markus Dirk Dubber & Frank Pasquale & Sunit Das
Philosophy of Mathematics: Selected Writings
Charles Sanders Peirce
The Usborne Children's Encyclopedia
Jane Elliott & Colin King & Susan Crawford & Annabel Craig