Media type: E-Article Title: Review: For Our Mathematical Pleasure: Puzzle Ninja Ninja Contributor: Straffin, Philip D. imprint: Taylor & Francis, Ltd., 2019 Published in: The College Mathematics Journal, 50 (2019) 1, Seite 73-73 Language: English ISSN: 0746-8342; 1931-1346 Keywords: MEDIA HIGHLIGHTS Origination: Footnote: