Mathematical writing
A library to read online
Worked solutions and expository mathematics, typeset for the screen and free to read. Many chapters also come as an A4 PDF handout.
Mathematics
Expository books and olympiad preparation, built around problems worked in full.
Dudeney, solved in full
Henry Ernest Dudeney's two classic collections, The Canterbury Puzzles (1907) and Amusements in Mathematics (1917), every puzzle restated and solved.
Puzzle columns and logic puzzles
Solutions to The Riddler, The Fiddler and Peter Winkler's Monthly Mindbenders, and twenty-five Japanese logic puzzles modelled as constraint problems.
