The imprint
Books.
A personal imprint of books I have written and typeset: worked mathematics, problem anthologies, and logic puzzles. Each volume is set in TeX Gyre Pagella with old-style figures, output as an archival PDF, and free to download.
Puzzles
8 2026 Nikoli read online 2026 Number Puzzles read online 2026 Solving Puzzles through Mathematical Programming read online 2026 The Fiddler: Solutions read online 2026 Jane Street: Solutions read online 2026 Monthly Mindbenders: Solutions read online 2026 The Riddler read online 2026 Problem of the Week: Solutions read online